Rachel Weisz wins Oscar for 'Constant Gardener'

LOS ANGELES, Mar 6 (Reuters) British actress Rachel Weisz won the Oscar for best supporting actress for her performance as a determined social activist in ''The Constant Gardener.'' Weisz, 34, plays a British diplomat's wife who is murdered in Africa while investigating the shady dealings of an international pharmaceutical company. It was Weisz's first Oscar nomination and followed her Golden Globe and Screen Actors Guild wins for the same role.

The other nominees were Amy Adams for ''Junebug,'' Catherine Keener for ''Capote,'' Frances McDormand for ''North Country'' and Michelle Williams for ''Brokeback Mountain.'' REUTERS VJ RAI0741