A mission by an unmanned SpaceX Falcon-9 rocket has ended in failure, when it exploded after lift-off from Cape Canaveral, Florida.
The rocket was supposed to despatch a cargo ship to the International Space Station (ISS).
The lower segment of the rocket was then meant to turn around and use its engines to bring itself down to a floating barge.
It was US company SpaceX’s third failed attempt at the manoeuvre.
Bids in January and April ended in explosive impacts in the Atlantic Ocean.