Germany have been crowned Olympic champions in the men's quadruple sculls after a stunning victory over silver medallists Croatia.

The Germans set the pace for the length of the final and then accelerated clear of the Croatians, who had been unbeaten in 2012 up until the Olympic final.

Australia's world champions finished with bronze.

In the men's pair, New Zealand's dominant crew of Hamish Bond and Eric Murray claimed gold in stunning fashion.

France held on to win the silver medal after fighting off Britain's desperate late surge in a thrilling sprint for the line.

The French set the early pace in the final before New Zealand, hailed as the best boat in the whole Olympic regatta, took control and powered clear of the field in the third quarter of the race.

Katherine Grainger's quest for Olympic glory is over after she won a sensational gold medal with Anna Watkins in the women's double scull.

The British crew destroyed the field at Eton Dorney to add an Olympic crown to the two world titles they have won during two unbeaten years.

Grainger and Watkins led from the start and were roared on to a commanding victory at Eton Dorney, beating Australia by a length with Poland taking a distant bronze.