Defending champions Brazil have beaten the USA in four sets to win the gold medal in the final of the women's volleyball.
The Americans stormed to a 25-11 win in the opening set before the Brazilians levelled the match with a 25-17 triumph in the second.
The South Americans then took the third 25-20 and sealed the victory 25-17 in the fourth.
It is the first time in 21 matches this year that the USA have been defeated.
