Boston commemorates 1-year anniversary of Marathon bombing

BOSTON, MA - April 15 : People attend the commemoration ceremony in Boston's Old South Church to commemorate the 2013 Boston Marathon bombings in Boston, United States on April 15, 2014. The city of Boston has marked the anniversary of last year's Boston Marathon bomb attack which killed three people and injured more than 260 others. (Photo by Cem Ozdel/Anadolu Agency/Getty Images)