Great Britain have claimed a silver medal in the men's lightweight fours in a thrilling race.
A late burst from South Africa denied Team GB in a nail-biting finale, with favourites Denmark forced to settle for bronze.
The crowd at Eton Dorney were treated to an exciting climax as four crews were separated by inches towards the line.
Team GB's crew of Richard and Peter Chambers, Rob Williams and Chris Bartley fought bravely and thoroughly deserved their second place.