AFTERMATH – Residents of Boston and Watertown grieved amid a heavy police presence until one of the accused Boston Marathon was killed and the other captured.

U.S. President Barack Obama and his wife Michelle attend an inter-faith memorial service for the victims of the bombing at the Boston Marathon in Boston, Massachusetts April 18, 2013. Two explosions hit the Boston Marathon as runners crossed the finish line on Monday killing at least three people and injuring over 100 others.