Uncle of Boston suspects urges 'turn yourself in'

The uncle of the Boston bombing suspects has urged Dzhokhar Tsarnaev to turn himself in.

Ruslan Tsarni said: "If you are alive, turn yourself in and ask for forgiveness from the victims, from the injured ... ask forgiveness from these people".

Mr Tsarni added: "He put shame on our family. He put shame on the entire Chechen ethnicity".


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.