Boston marks 5 years since marathon attack with tributes

Sunday was a day filled with service and commemorations in honor of victims and survivors of the deadly Boston Marathon bombings five years ago.

Boston began the fifth anniversary of the attacks with Mayor Marty Walsh and Gov. Charlie Baker laying wreaths early in the morning at the spots along Boylston Street where two bombs killed three spectators and maimed more than 260 others April 15, 2013.