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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Boston bombing suspect remains in 'serious condition'

The second suspect in the Boston marathon bombings has been captured alive by police. Dzhokhar Tsarnaev was found hiding in a boat in the garden of a house, and was arrested after a gun battle overnight.

He's now in a serious condition in hospital. After his capture, crowds poured onto the streets to cheer and thank the police and the FBI.

Neil Connery reports:

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