A police officers rides on the back of a van at a staging area as a manhunt is conducted for a suspect Friday, April 19, 2013, in Watertown, Mass. One of two suspects in the Boston Marathon bombing is dead and a massive manhunt is underway for another, authorities said early Friday April 19, 2013. Residents of Watertown, a Boston suburb, have been advised to keep their doors locked and not let anyone in. (AP Photo/Matt Rourke)
Gallery: Police converge on suspects in Boston
Apr. 19, 2013 @ 09:03 AM
Boston authorities suspended all mass transit and urged people to stay indoors Friday as they searched for the second of two suspects in the Boston Marathon boming Monday. The first suspect was killed in a shootout overnight.