07/31/2012 11:50 EDT | Updated 09/30/2012 05:12 EDT

South Korean Kim Jae-bum wins men's 81K Olympic judo gold, improving on silver from Beijing

LONDON - Kim Jae-bum of South Korea won the Olympic gold medal Tuesday in the men's 81K category.

Kim defeated Ole Bischof of Germany in a final he dominated from the start. Kim threw Bischof twice and was often on the attack, even when both were locked in grappling techniques on the ground.

Kim, 27, won a silver at the Beijing Games and is the current world champion.

The bronze medals were won by Ivan Nifontov of Russia and Antoine Valois-Fortier of Quebec City.