Police tape marks the scene of a shooting in Sacramento, California, Jun. 10, 2012. Reuters

UPDATE: 3:41 p.m. EDT -- Two people were killed Monday in an apparent murder-suicide at North Park Elementary School in San Bernardino, California, a police public information officer confirmed in a press conference. A male died of a self-inflicted gunshot wound after killing a female inside a classroom at the school.

Two students remained in critical condition at local hospitals, police confirmed. They did not release the names or ages of the children, pending notification of family members.

Police said they were called to the scene at 10:27 a.m. Monday morning. Officers said they would continue to investigate the incident and release the names of the students as soon as possible.

UPDATE: 2:37 p.m. EDT -- San Bernardino Police Chief Jarrod Burguan confirmed that two people, both adults, were dead following an apparent murder-suicide at North Park Elementary School in San Bernardino, California. Burguan said that the suspect was down and there was no further threat.

The police chief also confirmed that two people were wounded in the incident and said they were possibly students. Both were taken to nearby hospitals where their conditions remained unknown.

UPDATE: 2:25 p.m. EDT -- A shooting at North Park Elementary School in San Bernardino, California left two students and one teacher injured. The conditions of all three were not yet known, though they were taken to a nearby hospital.

San Bernardino County fire officials said the incident took place around 10:45 a.m. One teacher tweeted that she and her students were “fully barricaded” inside their classroom.

The shooter was taken down a few blocks from the school, according to Los Angeles’ CBS local news. Parents were told to head to nearby Cajon High School to pick up their children, KTLA reported.

Original story:

A shooting at an elementary school in San Bernardino, California, Monday injured at least two children, according to initial reports. San Bernardino County Police Chief Jarrod Burguan said on Twitter that the incident was a murder-suicide.

"We believe this to be a murder-suicide," Burguan wrote. "Happened in a class room. Two students have been transported to the hospital."

A spokeswoman for the school said the shooter was down and the school was safe. She said that in addition to the two students, at least one teacher had been shot. The remaining students at the school were being taken to a nearby high school for safety reasons.