Sanya wins 400m title

American Sanya Richards-Ross won the women's 400m Olympic title on Sunday in a time of 49.55sec to end a 28-year gold drought in the event for the United States.
Defending champion Christine Ohuruogu of Great Britain finished second in 49.70sec while DeeDee Trotter of the United States took bronze in 49.72sec.
Richards-Ross, 27, became the first American to win the Olympic title since Valerie Brisco-Hooks in Los Angeles in 1984.