Boston marathon bombing: Joe Biden leads tributes a year on

Name: Boston marathon bombing: Joe Biden leads tributes a year on
Uploaded: 2014-04-15T20:20:43.000Z
Duration: 1 min 31 s
Description: Boston has marked the first anniversary of the deadly bombing at last year's marathon, honouring the dead and lauding the character and strength of the survivors and the city's residents.

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Boston has marked the first anniversary of the deadly bombing at last year's marathon, honouring the dead and lauding the character and strength of the survivors and the city's residents.

US Vice-President Joe Biden led tributes, saying America "will never stand down" to terrorists.

US & Canada

15 April 2014