Police in the northeastern U.S. state of Massachusetts are conducting a massive manhunt for one of the suspects in Monday's Boston Marathon bombings, after killing the other one in a shootout late Thursday.
1 Boston Bombing Suspect Dead, Police Search for Suspected Accomplice
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SWAT teams enter a suburban neighborhood searching for the remaining suspect in the Boston Marathon bombings in Watertown, Massachusetts April 19, 2013.
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Residents view police in tactical gear conduct a search for a suspect in the Boston Marathon bombings, Friday, April 19, 2013, in Watertown, Mass.
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Manhunt underway for second Boston bombiing suspect Dzhokhar Tsarnaev.
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Police officers take position during a search for the Boston Marathon bombing suspects in Watertown, Massachusetts April 19, 2013.