Update 3:50 A.M.: The Boston Globe reports that a Massachusetts Bay Transportation Authority worker is beign treated for gunshot wounds sustained during the ongoing manhunt.
Update 3:10 A.M.: According to WFSB's Kevin Michael, Boston police have stated the names of both Boston Marathon bombing suspects over police scanner: Suspect one is Mike Mulugeta, and Suspect 2 is Sunil Tripathi. Police chatter should not be taken as official statements.
Update 3 A.M.: The Boston Marathon bombing suspect captured by police appears to be Sunil Tripathi, a student missing from Brown University, the Atlantic's Matt O'Brien reports.
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Update 2 A.M.: To recap the night’s situation: Two suspects appear to have robbed a 7-11 in Cambridge, Mass. late Thursdat night before fleeing to the MIT campus. There, they shot and killed a campus police officer before fleeing to nearby Watertown. On the way, the suspects fired on police and reportedly dropped hand grenades from their stolen Mercedes. Once in Watertown, the suspects engaged in a firefight with Boston and Watertown police. Boston’s Channel 5 News reported that the suspects fired as many as 25 rounds in a single minute. Police managed to capture one suspect, and another appears to have been shot and taken to Beth Israel hospital. Reports still state that there may be additional explosives around the Watertown area.
Update 1 A.M.: According to reports from Boston police scanners, authorities are involved in a major shootout with the MIT shooter in nearby Watertown, Mass. The shooter or shooters reportedly hijacked a car and were chased by police officers. Some reports suggest that grenades were thrown out of the moving car.
“Per the police scanner: two men hijacked a Mercedes, threw grenades at chasing cops in Watertown, and then stole a police SUV,” Massachusetts-based Grantland writer Bill Barnwell wrote on Twitter.
“This is what I heard, I cannot confirm this. A paramedic said ‘Get back, get back, there’s a hand grenade.’ I just heard another shot fired,” a reporter for Boston’s 7News said live on air.
Update 12:20 A.M.: The Middlesex district attorney has confirmed that the officer wounded in the MIT shooting was killed, according to the Boston Globe. The DA cautioned nearby residents that the shooter was still at large.
“Massachusetts State Police and Cambridge Police are investigating a fatal shooting this evening in Cambridge, Middlesex Acting District Attorney Michael Pelgro and Cambridge Police Commissioner Robert Haas announced this evening. An MIT campus police officer responding to a report of a disturbance in the area of Vasser and Main streets was reportedly shot. According to authorities, the officer was found evidencing multiple gunshot wounds. He was transported to the hospital and pronounced deceased. Authorities launched an immediate investigation into the circumstances of the shooting. There are no other victims. No arrests have been made. The investigation remains ongoing."
Update 12:08 A.M.: NBC Connecticut reports that the officer wounded in the MIT shooting has died.
"Mass State Police confirm #MIT officer wounded in shooting has died," the news outlet tweeted.
Update 12 A.M.: The Boston Globe's Eric Moskowitz tweeted the Boston Police are preparing to make a formal statement on the shooting.
MIT has released a statement about the shooting, stating that authorities are investigating the situation. Students are advised to stay inside.
Update on shooter incident. Responding agencies continue to investigate the situation. The scene is outside of Building 32 (Stata) and 76 (Koch) near Vassar and Main Streets. Injuries have been reported. The situation is still very active and we ask everyone to stay inside," the update read.
11:30 P.M.: The Massachusetts Institute of Technology issued an emergency report late Thursday night stating that gunshots were fired on campus. At the same time, sources on Twitter issued reports of an “officer down” at the prestigious university.
Details are scarce about the MIT shooting, but according to an emergency services update from MIT, an armed gunman appears to be on campus. Shots were reportedly fired around 10:48 p.m. EDT.
“At 10:48 p.m. today gunshots were reported near Building 32 (Stata) which is currently surrounded by responding agencies. The area is cordoned off. Please stay clear of area until further notice. Unknown if injuries have occurred. Although the situation is considered active and extremely dangerous, an investigation is underway. Updates will be provided at this site when more information becomes available,” MIT’s emergency update read in full.
At the same time, Jennifer Peter of the Boston Globe tweeted about the MIT shooting, stating that MIT’s police chief has said an officer was shot on campus.
“MIT police chief says that one of his officers is down. Apparently a shooting on campus,” Peter tweeted.
Several of Peter’s followers mentioned in replies to her tweets that a 7-11 was robbed in the area. The shooting may be related to the robbery. No connection has been made to Monday’s Boston Marathon Bombing.
Peter later tweeted that the officer appears to be in critical condition.
"State police confirms the MIT cop has sustained life-threatening injuries," Peter tweeted.
Minutes later, WPTV’s Juan Diasgrandados tweeted that the suspect apparently shot the officer with his own gun after stealing it. The suspect is allegedly wearing a cowboy hat.
“#AUTHORITIES: Suspect stole officers gun, shot officer at #MIT, then Fled... Police looking for suspect with cowboy hat,” Diasgrandados tweeted.