Jamaica upsets US in women's 4x400m

Stephenie Ann McPherson, Christine Day, Shericka Jackson and Novlene Williams-Mills of Jamaica react after winning the women's 4x400m event during the 15th IAAF World Championships at the National Stadium in Beijing, China August 30, 2015. [Photo/Agencies]

BEIJING - Jamaica upset Olympic champions the United States to win the world women's 4x400 meters relay final on Sunday.

Novlene Williams-Mills overtook Francena McCorory with 10 meters to go as the Jamaicans clocked three minutes, 19.13 seconds, the world best time this year, beating the rivals by 0.31.

Britain took bronze in 3:23.62.