Boston mayor urges people to join moment of silence

Boston Mayor Marty Walsh urged people on Twitter to join in a moment of silence to honour those affected by last year's marathon bombings:

Boston Marathon bombings: One year on


'Man charged' after security alert at Boston Marathon vigil

Local reporters say a man has been charged after a security alert at the finish line of the Boston Marathon, one year after a deadly bombing there. Unattended backpacks were found and destroyed by a bomb squad.