SpaceX rocket explosion 'setback for Nasa'

An unmanned American Falcon-9 rocket has broken apart in flames minutes after lifting off from Cape Canaveral in Florida.

Debris from the SpaceX vehicle tumbled out of the sky into the Atlantic Ocean.

The rocket, which had 18 consecutive successes prior to Sunday's flight, was in the process of sending a cargo ship to the International Space Station.

Tom Bateman reports.