Photo Gallery: Boston manhunt: Friday, April 19, 2013 8/60

Officers look on as the search for suspect in the Boston Marathon bombings continues, Friday, April 19, 2013, in Watertown, Mass. Gunfire erupted Friday night amid the manhunt for the surviving suspect in the Boston Marathon bombing, and police in armored vehicles and tactical gear rushed into the Watertown neighborhood in a possible break in the case. (AP Photo/Matt Rourke) ORG XMIT: MAMR146