The Wiltshire-based explorer David Hempleman-Adams is out of the 56th Gordon Bennett Gas Balloon Race.

BBC: Wiltshire

The Duke of Edinburgh and Sir Richard Branson are patrons of the 54th Coupe Aeronautique Gordon Bennett race.

BBC: Gordon Bennett balloon race competitors lift off

Competitors for the Gordon Bennett Cup have a simple aim - to travel as far as possible from the launch site.

BBC: Wiltshire

Wiltshire explorer David Hempleman-Adams has had a good start in the Gordon Bennett Gas Balloon Race and is currently in fourth place.

BBC: David Hempleman-Adams' gas balloon 'flying well' in race