© David L. Ryan | The Boston Globe | Getty Images
A Black Hawk searches above the locked down Watertown neighborhood.
More than half a day after a bloody rampage that ended with his accomplice brother dead, Boston marathon bombing suspect
Dzhokhar Tsarnaev eluded a massive manhunt that has put the city and surrounding suburbs on total lockdown.
Anxiety was rising as SWAT teams and troops hunted door to door for the fugitive - and for more bombs - with more than a million people told to hunker down behind locked doors. Friday night's scheduled Red Sox and Bruins games and Big Apple Circus performance were canceled. Amtrak service between Boston and New York was suspended.
Tsarnaev, 19, remained on the lam hours after he and brother, Tamerlan, 26, made a desperate effort to flee the city following the FBI's release of their photos Thursday evening.
They killed a campus security officer, carjacked a man, and led police on a wild chase that ended in a firefight in which more than 200 rounds were exchanged, police said. The older brother, who had a bomb strapped to his body, was killed but the younger one escaped, though he may have been wounded, law enforcement sources said.