British Olympian John Nuttall dies of heart attack at 56

Nuttall competed for Great Britain at the Atlanta Olympics and was married to 1996 London Marathon champion Liz McColgan

How to watch the Doha Diamond League

Sprinters Andre De Grasse and Aaron Brown will represent Canada this year’s Diamond League opener in Qatar

De Grasse takes bronze for Canada’s first medal at Doha

Christian Coleman scored a lifetime best 9.76 and his first world championship victory in the 100m, with Gatlin taking silver in 9.89 and De Grasse bronze in a new PB of 9.90