Thursday, August 21, 2008 - 3:25 AM

Jamaica's Melaine Walker has won the Olympic Games women's 400m hurdles gold medal in a Games record time of 52.64 seconds.

The 25-year-old - who eclipsed the record of 2004 champion Fani Halkia of Greece - beat home Sheena Tosta of the United States (53.70).

Great Britain's Tasha Danvers (53.84) took the bronze.