TIME is compiling a live gallery of photographs from the massive manhunt around Boston for the surviving suspect of the duo believed to have carried out Monday's marathon bombing. Authorities have the city and surrounding neighborhoods on lockdown as they search for 19-year-old Dzhokhar Tsarnaev. Time's collection of photos will be ongoing throughout the day and perhaps beyond until the crisis is resolved. The gallery now presents 21 gripping photos over the last 24 hours.
Police officers keep a man on the ground in Watertown, Massachusetts April 19, 2013 following the shooting of a police officer at the Massachusetts Institute of Technology (MIT).
An FBI officer stands in front of the boat at 67 Franklin St. where Dzhokhar Tsarnaev, the surviving suspect in the Boston Marathon bombings, was hiding inside in Watertown, Mass., on April 19, 2013.
See the complete TIME Photo Gallery.
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