DOHA (Reuters) - The United States stormed to victory in the women's 4x400 metres relay at the world championships on Sunday after leading from the start to clock a world leading time.
U.S. Olympic champion relay runner Phyllis Francis opened a comfortable lead before passing the baton to Sydney McLaughlin, silver medallist in the 400m hurdles at the worlds in Doha.
The U.S. lead was retained by 400m hurdles world champion and world record holder Dalilah Muhammad, allowing Wadeline Jonathas to close out the race in 3 minutes 18:92 seconds.
Poland finished almost three seconds behind the United States, winning silver in a national record time of 3:21.89.
Jamaica took the bronze with a season's best 3:22.37.
(Reporting by Gabrielle Tétrault-Farber; Editing by Ken Ferris)