Washington Post's Live Coverage of Manhunt Boston Marathon Bombers
Police said one suspect is dead and a manhunt was underway for a second suspect after a police officer was killed at MIT and the suspects led police on a chase and into a violent confrontation involving explosions and gunfire in Watertown, Mass. a about 10 miles west of Boston.
The suspects were linked to the Boston Marathon bombings that killed three people and injured 176 near the race finish line Monday.They are brothers, law enforcement officials said Friday morning. The one still at large was identified by law enforcement authorities as Dzhokhar A. Tsarnaev, 19, of Cambridge.Law enforcement officials said they believe Tsarnaev may be strapped with explosives. They are taking extreme precautions in Watertown and other nearby suburbs.