South Korea's Bong Joon-Ho on Sunday won the Oscar for best director for "Parasite," the third on the night for the film. Earlier, it scooped up prizes for best international feature and best original screenplay. "After winning best international feature, I thought I was done for the day and was ready to relax," the humorous director quipped, after taking the prizes over Sam Mendes, Martin Scorsese, Quentin Tarantino and Todd Phillips. bur-mdo/sst