World responds to Boston bombing

Associated Press
A law enforcement officer stands post at the U.S. Capitol, Monday, April 15, 2013 in Washington. Authorities say the blasts during the Boston Marathon killed two people and injured at least 73,(AP Photo/Alex Brandon)

View gallery

10 photos

In the wake of the Boston attacks, several countries, including France and Great Britain, have ordered local authorities to step up security and reinforce measures already in place. 

View Comments (0)