Boston Terror Attack and Lockdown: A Timeline

Boston Terror Attack and Lockdown: A Timeline

People Hug After Explosion

A woman comforts another, who appears to have suffered an injury to her hand, after explosions interrupted the 117th Boston Marathon in Boston, Massachusetts April 15, 2013. Two people were killed and 23 others injured after two explosions struck the Boston Marathon as runners crossed the finish line on Monday, Boston police said.

REUTERS/Dominick Reuter