A member of the San Manual Fire Department takes the names of those being evacuated after a mass shooting at the Inland Regional Center on Dec. 2, 2015, in San Bernardino, California. Rick Loomis/Los Angeles Times via Getty Images

UPDATE: 11:01 p.m. EST -- Muslim leaders planned a press conference in Los Angeles with a family member of one of the suspects involved with a mass shooting in California Wednesday night. “We condemn this horrific and revolting attack and offer our heartfelt condolences to the families and loved ones of all those killed or injured,” said Hussam Ayloush, executive director of the Greater Los Angeles Area office of the Council on American-Islamic Relations, in a Facebook post. “The Muslim community stands shoulder to shoulder with our fellow Americans in repudiating any twisted mindset that would claim to justify such sickening acts of violence.”

The press released said: "A relative of one of the suspects named by the media will take part in the news conference."

UPDATE: 10:50 p.m. EST -- San Bernardino Mayor Carey Davis urged communities to stay alert following a mass shooting at the Inland Regional Center in California Wednesday. The mayor held a press conference to offer his condolences and praise authorities’ response to the shooting Wednesday that killed at least 14 people.

“The city is still on alert,” Davis said. “We need to stay cautious, but it is not a time to panic.” Davis said a vigil would be planned for the victims of the San Bernardino shooting.

UPDATE: 10:10 p.m. EST -- NYPD Deputy Commissioner Steven Davis told radio anchor Lori Madden of WINS radio in New York City that police were monitoring for potential attacks in the city after a mass shooting in San Bernardino, California. “Should there be any potential implications for New York, we are prepared to take appropriate security measures,” Davis said, adding that there were no known threats against the city.

Meanwhile, Michael McCann, former chief of security for the United Nations, told CBS News that the attack at a county government facility must have been carried out by skilled gunmen. “The fact that there are three people; they were well prepared; they were well equipped with the guns they were carrying; what they were wearing; the fact that they fled very quickly” he said. “So I would think this was well organized and well planned beforehand.”

UPDATE: 9:48 p.m. EST -- The bodies of the victims of a mass shooting in San Bernardino, California, Wednesday remained at the Inland Regional Center hours after the attack, officials said. The bodies have not yet been identified, Robert Shaw, lead supervising deputy coroner for the San Bernardino County Sheriff’s Department, told the Los Angeles Times. Authorities instead were working to preserve the integrity of the crime scene as evidence was collected. The victims' names and ages would be made public after their relatives were notified, Shaw said.

UPDATE: 9:40 p.m. EST -- A suspect in a mass shooting in San Bernardino, California, was identified by the media Wednesday night as Sayeed Farook. His brother and an unnamed woman may have helped him carry out the attacks, NBC, MSNBC and CBS reported, citing law enforcement sources. Law enforcement officials have not officially confirmed the identity of any of the attackers.

UPDATE: 9:15 p.m. EST -- The lead gunman behind a mass shooting that killed 14 people is a U.S. citizen, an unnamed federal law enforcement source told the Los Angeles Times. But the gunman in the San Bernardino, California attack could still have links to a foreign terror group, the source said.

Some have sought to link the shooting to the Islamic State group, but no officials connections have been made to the terror group that has threatened the U.S. and recruited in California in the past.

Meanwhile, local police were continuing an investigation into the shooting by searching a home in Redlands, California. "Police just used a battering ram on the Redlands home. A white fence is stuck to the device," a local reported tweeted.

UPDATE: 8:45 p.m. EST -- David Bowdich, assistant director in charge of the Los Angeles office of the FBI, said the investigation into a mass shooting in San Bernardino, California remained fluid Wednesday night. "We will get there when we get there," he told reporters during a press conference.

San Bernardino Police Chief Jarrod Burguan said a man and woman involved in a car chase and fatal shooting with police were both killed. A third suspect ran away and was later detained. The relationship between the man and woman was unknown. A motive also remained unknown and the suspects had not been identified, Burguan said.

"This is a marathon, not a sprint," Bowdich said. "I know one of the questions that will come up repeatedly is, is this terrorism? ... It is a possibility we are making some adjustments to our investigation, it is a possibility."

More people could have been involved in the planning of the mass shooting, Burguan said during the press conference. The shooting unfolded during a "holiday party type of event," Burguan. "There was some kind of dispute when somebody left that party but we have no idea of those are the people that came back."

There was a report that the suspects threw a pipe bomb, Burguan said. The suspects were dressed in "dark, tactical gear," he said.

UPDATE: 8:40 p.m. EST -- San Bernardino Police Chief Jarrod Burguan said Wednesday officers investigated a home in Redlands, California after receiving a tip about a mass shooting. The search resulted in a car chase and a fatal shooting involving a woman and a man. One officer was injured in the shooting and was taken to a hospital for non-life threatening injuries.

The man and woman had hand guns and assault weapons. Police were investigating whether there were explosives near the vehicle involved in the car chase, Burguan told reporters at a press conference at the mass shooting that left 14 dead.

An Associated Press reporter said a half-dozen vehicles carrying helmeted police approached the home in Redlands after the car chase. It was unclear what was in the house, law enforcement officials said.

UPDATE: 7:51 p.m. EST -- House Speaker Paul Ryan called for a moment of silence for the victims of a mass shooting in San Bernardino, California, Wednesday night during a Christmas tree lighting ceremony in Washington.

UPDATE: 7:45 p.m. EST -- The mayor of San Bernardino, California called an emergency meeting Wednesday hours after gunmen killed at least 14 people at a government facility for disabled persons. Law enforcement officials were expected to inform officials on the ongoing investigation during the meeting.

UPDATE: 7:05 p.m. EST -- San Bernardino police Sgt. Vicki Cervantes said a suspect involved with a mass shooting was "being dealt with" and another was "down" after a car chase and a shootout involving a black SUV. She said during a news conference that it was possible another suspect remained at large hours after 14 people were fatally shot in San Bernardino, California, Wednesday. It was unclear if police fired first at the suspect or if the suspect opened fire during the car chase hours after the mass shooting, she said.

The Los Angeles Times reported that an unarmed federal law enforcement official said one man left an event organized by county employees Wednesday morning at the Inland Regional Center. The man allegedly returned with "one or two" others and opened fire.

UPDATE: 6:50 p.m. EST -- San Bernardino, California, police officials said no officers were injured in a car chase with a black SUV Wednesday, hours after gunmen carried out a mass shooting. Police would not confirm whether the car chase was related to the shooting. California Gov. Jerry Brown said he was watching the investigation and that the state "will spare no effort in bringing these killers to justice."

UPDATE: 6:36 p.m. EST -- Violent images of a police chase between officials and a potential suspect involved in a mass shooting in San Bernardino, California, Wednesday flooded social media networks as the public waited for details from law enforcement leaders. CNN reported that police had killed one suspect and were involved in a standoff with others.

Below are some of the strongest images depicting the shooting that were posted Wednesday on Twitter:

UPDATE: 6:16 p.m. EST -- San Bernardino, California, police appeared to be chasing a suspect in a vehicle Wednesday after a mass shooting that left at least 14 dead. The gunmen reportedly fired shots out the back window. Local media said one police officer might have been injured in the chase. All the windows in the car were shot out.

UPDATE: 6:10 p.m. EST -- Local school officials assured parents that students were safe Wednesday after a mass shooting left at least 14 dead in San Bernardino, California. "We reassure you that our students are safe. As a precaution, no one is allowed into any of our campuses for the time being. The incident unfolding near the San Bernardino Golf Course is not near our schools. Schools will be dismissed as usual," school officials wrote on a Facebook page.

UPDATE: 5:42 p.m. EST -- Twitter users pointed the finger at the National Rifle Association after a mass shooting in San Bernardino, California, on Wednesday. "The NRA" was trending on Twitter as some users blamed the gun rights group for the attack that left at least 14 dead and at least 14 injured.

UPDATE: 5:35 p.m. EST -- At least five women and one man were transportated to a local hospital for treatment after a mass shooting in San Bernardino, California, Wednesday. One victim was in critical consition, one was in surgery, two were in intensive care and two others are being monitored, according to Dev GnanaDev, chairman of the hospital's surgery department. Two other patients that had been headed to the hospital with "graze wounds" were sent to a community hospital instead, GnanaDev told the Los Angeles Times.

UPDATE: 5:19 p.m. EST -- Police officials said they were searching for as many as three suspects Wednesday after a mass shooting in San Bernardino, California. “Upwards of 14 people are dead and upwards of 14 people are injured,” said Chief Jarrod Burguan of the San Bernardino Police Department during a news conference. “There is no known motive for the shooting at this point,” he added of what he termed an act of “domestic terrorism.”

He added: “These were people who came prepared, they were armed with long guns, not handguns.” Burguan said.

David Bowdich, assistant director in charge of the Los Angeles office of the FBI, was hesitant to classify the event as terrorism. “Right now we do not know,” he said during the news conference.

Officials are urging the public to call 1-866-346-7632 to share tips.

UPDATE: 5:11 p.m. EST -- Witnesses to a mass shooting in San Bernardino, California, described hearing dozens of gunshots Wednesday. Sandra Wood, interim executive director of the Inland Empire Lighthouse for the Blind, said she and her students were safe but on lockdown as of about 4:30 p.m. EST.

"The whole area is frozen," she told International Business Times. "Nobody's leaving or coming. There's plenty of police presence around this area." Wood said she heard what she thought was gunfire. "It was very loud and there was probably 25, 30 rounds," she added.

UPDATE: 4:48 p.m. EST -- President Barack Obama told CBS News in an interview Wednesday afternoon that he hoped a shooting in San Bernardino, California, would quickly be contained, and called for changes to gun safety laws and enforcement of stronger background checks.

"There are steps we can take to make Americans safer, and we should come together on a bipartisan level to make these rare as opposed to normal" he said. "We have a pattern now of mass shootings in this country that has no parallel anywhere else in the world."

UPDATE: 4:34 p.m. EST -- A father's emotional account of his daughter hiding from shooters at the Inland Regional Center, a disabled-services facility in San Bernardino, California, was shared widely Wednesday as people searched for answers to the nation's latest mass shooting. Terry Petit said he got a text from his daughter saying she was hiding in the building after hearing gunshots. He said she wrote: "People shot. In the office waiting for cops. Pray for us. I am locked in an office." Other witnesses described walking over bodies to escape the shooting, according to media reports.

Marybeth Feild, president and CEO of the Inland Regional Center, told the Associated Press that the shooting took place in a building housing a library, conference center and at least 25 employees. She said an unidentified group rented the conference room Wednesday before the shooting took place.

UPDATE: 4:22 p.m. EST -- A staffer at the Inland Regional Center, a disabled-services facility in San Bernardino, California, told CNN that employees started "active shooter training" last year, in case of a situation like the active situation Wednesday. The U.S. Department of Homeland Security has previously funded an active shooter training materials that were being used across the country, according to media reports. Watch the training video here.

UPDATE: 4:05 p.m. EST -- The active-shooting situation reported Wednesday at the Inland Regional Center in San Bernardino, California, caused several school, businesses and government offices to go into lockdown mode. Tom Brown, an employee of the San Bernardino Golf Club on nearby Waterman Avenue, said he and other colleagues and customers were obeying law enforcement requests for those in the area to take cover.

“We're not allowing anyone on the golf course," Brown told the Los Angeles Times. "We got a big helicopter sitting in the middle of the No. 1 fairway. We're several hundred yards away from the area. We can see fire and SWAT from here but we're not allowed to go any farther.”

Sgt. Vicki Cervantes, spokeswoman for the San Bernardino Police Department, told media outlets that authorities were searching for up to three shooters. "It's a very active scene," she said. "It's very fluid."

UPDATE: 3:59 p.m. EST -- Several U.S. presidential candidates immediately responded to reports of a mass shooting Wednesday in San Bernardino, California, with well wishes and reactions of disgust.

UPDATE: 3:53 p.m. EST -- The Los Angeles Times reported that police were searching for an SUV that fled the scene of a mass shooting in San Bernardino, California. Police detonated a suspicious device found at the Inland Regional Center, a facility for people with physical and mental disabilities, where one or more gunmen opened fire, according to the Times.

UPDATE: 3:42 p.m. EST -- There were reports that three suspects have fled the scene of a mass shooting in San Bernardino in a black SUV. A local reporter on the scene tweeted that a law enforcement official declined comment, but said: "All we can tell you is it's pretty bad."

UPDATE: 3:32 p.m. EST -- A White House official said Wednesday that President Barack Obama had been briefed by Homeland Security Advisor Lisa Monaco about the active-shooting situation in San Bernardino, California.

UPDATE: 3:30 p.m. EST -- Officials at the Norton Space and Aeronautics Academy, a public charter school that serves students from kindergarten through 12th grade in San Bernardino, California, notified parents Wednesday that it was on lockdown, following reports of an active-shooting situation on nearby Waterman Avenue. "We are [in] communication with law enforcement," officials stated on Twitter.

UPDATE: Live Video Feed from the Scene

UPDATE: 3:14 p.m. EST -- Marcos Aguilera told KABC that his wife was in the building when a shooter entered the Inland Regional Center in San Bernardino, California next to his wife's office and opened fire. "They locked themselves in her office. They saw bodies on the floor," Aguilera said Wednesday, adding that his wife was unharmed in the building.

It was not immediately clear if an explosive device was involved in the attack despite reports from local media. Other media reported gunmen wearing masks.

UPDATE: 3:09 p.m. EST -- Up to 12 people were believed killed Wednesday in an active-shooting situation in San Bernardino, according to a report by the local ABC affiliate KABC. While authorities were removing at least 20 people injured by multiple gunmen, others sheltered in place.

UPDATE: 3:05 p.m. EST -- Federal officials have responded to the scene of a mass shooting in California. Agents from the Bureau of Alcohol, Tobacco, Firearms and Explosives and the FBI were part of the investigation. Live video from the scene showed dozens of people exiting the facility and a triage center being set up to help victims.

UPDATE: 2:55 p.m. EST -- SWAT teams were called in Wednesday to help clear the scene of an active shooting in the 1300 block of South Waterman Avenue in San Bernardino, California, where officials reported up to 20 people had been injured by multiple gunmen. The incident, which was taking place at a "county site," according to the Associated Press, involved up to three shooters, according to the county sheriff's department.

The shooters were wearing black ski masks, according to some witnesses. Some reports indicated the shooting had taken place at Inland Regional Center, a center for disabled patients.

Original story:

Fire and police departments in San Bernardino, California, were responding to reports of a mass shooting Wednesday, according to CBS News. There were reports of at least 20 victims shot in an incident that was still active in the 1300 block of S. Waterman.

Officials warned people to avoid the area due to police activity. The incident was reported shortly before 11:15 a.m. local time. San Bernardino police confirmed around 11:30 a.m. there was an active shooter in the area of Orange Show Road/Waterman Avenue near Park Center Circle.

Police said there could be at least three suspects.

San Bernardino has a population of about 215,000 people and is largely Hispanic, according to Census data. It has seen an increase in homicides in recent years and has one of the state’s largest parolee populations. It’s also known as a haven for gang members who have been pushed out of Los Angeles.

The police department reduced its ranks after the city filed for bankruptcy in 2012, the Los Angeles Times reported last year. In 2009, the force stood at 350. There were 232 officers in 2014.

A City of San Bernardino police car in San Bernardino, California. David McNew/Getty Images

CORRECTION Dec. 4, 2015, 8:29 a.m. EST: Marie Christmas, who tweeted Wednesday she witnessed the shooting, was not in San Bernardino for the incident. The user posted messages Thursday night that her tweets had been a prank aimed at exposing the media.