Russian Brothers Are Muslim, One Killed In Shootout, Massive Search For Suspect Two In Boston Marathon Bombings

UPDATE: Here are the latest developments via CNN:

-- Connecticut authorities said a gray Honda CR-V with Massachusetts license plates had been recovered in the Boston area. An earlier alert said the vehicle "could possibly be occupied" by the surviving suspect. Meanwhile, heavily armed police swarmed over a Watertown, Massachusetts, neighborhood looking for the man, identified by Boston police as Dzhokhar Tsarnaev, 19.

-- The slain suspect, identified by several sources as Tamerlan Tsarnaev, 26, the fugitive suspect's older brother, was wearing explosives and a triggering device when he died, a source briefed on the investigation told CNN's Deborah Feyerick.

-- A Maryland man who said he was the suspects' uncle told CNN affiliate WBZ that Tamerlan Tsarnaev "got what he deserved." "What can I say for people who have been murdered? Sympathy," Ruslan Tsarni said. But a neighbor and former teacher at the high school Dzhokhar Tsarnaev attended described the younger brother as "a wonderful kid" who seemed incapable of such violence.

-- According to a source briefed on the investigation, the brothers came from the Russian Caucasus and had moved to Kazakhstan at a young age before coming to the United States several years ago.

-- Police ordered businesses in the suburb of Watertown and nearby communities to stay closed and told residents to stay inside and answer the door for no one but authorities. Boston authorities advised the same. The city's subway, bus, Amtrak train systems and Greyhound and Bolt Bus -- a regional carrier -- have been shut down. Taxi service across the city also was suspended for time during the manhunt. Every Boston area school is closed.

--The search followed a violent night in which authorities say the men allegedly hurled explosives at pursuers after killing Massachusetts Institute of Technology police Officer Sean Collier, robbing a convenience store and hijacking a car.


We’ve all been following this story since last night after a shootout ensued in Boston leaving one suspect dead and a massive manhunt for the second.

One suspect was gunned down but not yet positively identified and during this shootout. The suspects killed an MIT police officer, injured a transit officer, and wounded a Boston police officer in a firefight. The suspects also hurled grenades at the police during their getaway attempt which allowed the officers to believe that they had prior paramilitary experience.

According to officials, the two suspects are foreign nationalists and also brothers who have been living in the United States legally for one to two years.

The Associated Press reports the surviving suspect has been identified as 19 year old, Dzhokhar A. Tsarnaev. He and his brother are both of the Russian descent and lived in a region near Chechnya, Russia's North Caucasus region, where it's considered a heavily Muslim area.

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Sources say that one pressure cooker was found on the scene of the shootout.

ABC also reports various critical updates of the following:

8:00 a.m. ET: Gov. tells residents of Boston and surrounding towns not to open door for anyone other than a uniformed police officer, as manhunt continues.

#CommunityAlert: Door-to-door search 4 suspect in Watertown continues. Uniformed officers searching. Community consent critical.

7:25 a.m. ET: Authorities identify Dzhokhar Tsarnaev, 19, as the surviving bombing suspect, whom they are looking form. Tsarnaev was initially called Suspect 2 by police.

7:20 a.m ET: Police shut down Cambridge, Mass., street and search home believed to belong to suspect. 6:35 a.m. ET: All Boston public schools are cancelled for the day.

6:30 a.m. ET: SWAT officers descend on Watertown, Mass., and surrounding areas. Boston-area universities are on lockdown and have cancelled classes.

6:20 a.m. ET: “We believe this is a terrorist. We believe this is a man who’s come here to kill people,” said Boston Police Commissioner Ed Davis, about Suspect 2, who remains at large.

CommunityAlert: Search for armed suspect continues in Watertown. Residents reminded to remain indoors. All vehicle traffic suspended.

6:06 a.m. ET: Harvard University is closed because of public safety concerns, according to its Twitter account.

5:58 a.m. ET: “We believe these are the same individuals that were responsible for the bombing on Monday at the Boston Marathon. We believe they’re responsible for the death of an MIT police officer and the shooting of an MBTA police officer. This is a very serious situation that we’re dealing with,” police said.

Story developing.