Officers stand guard at Massachusetts Institute of Technology following reports of a shooting, Friday, April 19, 2013, in Boston. State police say a campus police officer at the school has died from injuries in a shooting on the campus outside Boston. State police spokesman Dave Procopio says the shooting took place about 10:30 p.m. outside an MIT building. The officer was described as a male but no further information about him was released. The city continues to cope following Monday's explosions near the finish line of the Boston Marathon. (AP Photo/Julio Cortez)
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.