David Cameron at Boston marathon bombing memorial
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David Cameron visits Boston bombing memorial

14 May 2013 Last updated at 15:11 BST

David Cameron has paid his respects to the victims of last month's marathon bombings, which killed three, and injured more than 260 people.

On Monday, the Prime Minister met the Massachusetts governor to offer his condolences.

The BBC's Ben Wright said the visit to the scene of the explosions was a show of solidarity for a city touched by terrorism.