Olympic rowing: GB lightweight four victorious in heat

Great Britain's men's lightweight four win their opening heat to qualify for the Olympic semi-finals at Eton Dorney.

Great Britain's quartet of brothers Peter and Richard Chambers, Rob Williams and Chris Bartley were neck-and-neck with world champions Australia before overhauling them with a burst of pace before the line.

You can watch the race in full here.

Available to UK users only.