Free-spirited Frenchman shows who's the Bosse in 800 gamble

LONDON - Pierre-Ambroise Bosse loves gambling and on Tuesday he rolled the dice and won the biggest prize of his life.

The 25-year-old Frenchman won the 800m world title to give France its first ever gold in the event.

Bosse, who finished a valiant if frustrating fourth in the final at last year's Rio Olympics, seized the initiative with 150 meters to go with a stunning burst passing Kipyegon Bett and favorite Nijel Amos, then held on to hit the tape just ahead of fast-finishing Adam Kszczot of Poland.