Canada’s Sarah Mitton wins gold in shot put at world indoor athletics championships

GLASGOW, United Kingdom — Sarah Mitton set a Canadian record and claimed the gold medal in women’s shot put at the world athletics indoor championships on Friday. Mitton’s record throw, on her sixth and final attempt, measured 20.22 metres. The reigning Commonwealth and Pan American Games champion from Brooklyn, N.S., initially set a new national record on her fourth throw of 20.20, which would have been good enough to secure the gold medal. “It’s really exciting in the last round when you know