PARIS, France (AFP) — Trayvon Bromell upset fancied US teammate Noah Lyles to win the 100m at the Diamond league in Paris on Sunday.

Lyles, the reigning Olympic champion, suffered a disastrous start and could not make up the difference as Bromell, a two-time world bronze medallist, stormed to the win in 9.91 seconds from lane eight.

“I’m good. The feeling at the start was not what I expected,” said Lyles.

Switzerland’s Audrey Werro continued her dominant form over 800m as she scorched to another victory, in a Diamond League record of 1min 53.80 second.

Femke Broeders-Bol, the convert from 400m hurdles, was second in a personal best of 1:55.60 as she continued her transformation into a true two-lap competitor.

Werro’s time was the third fastest ever run, as she edges closer to the oldest world record in athletics — the 1:53.28 for the outdoor 800m set by Jarmila Kratochvilova of the then-Czechoslovakia in 1983.

Botswana’s world champion Busang Collen Kebinatshipi timed his finish to perfection to claim the win in the 400m in a stunning meet and Diamond League record of 43.54sec.