Boston bombs 'remote trigger'

US investigators have revealed the two bombs that went off at the Boston Marathon were detonated with the kind of remote control device used for a toy car.

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Neil Diamond leads tributes to Boston bombing victims

Singer Neil Diamond led tributes to the Boston bombing victims by singing his "Sweet Caroline" song inside a Boston Red Sox game this evening.

72-year-old Diamond led the crowd in song wearing a black blazer and a Red Sox hat.

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