US wins 6th straight gold in women's 4X400 relay
The US won its sixth straight Olympic gold medal in women's 4x400 relay on Sunday, maintaining the continuous gold streak in the event since the 1996 Atlanta Games. The American team finished in 3:19.06 minutes, beating Jamaica and Britain for the top-spot. The victory made Allyson Felix first female athlete to win six Olympic golds in track and field.