Canada's Morales Williams breaks 400m indoor world record

Canadian teenager Christoper Morales Williams set a new world indoor record for the 400m on Saturday after surging to victory in 44.49sec in Arkansas, U.S. He scorched home to win ahead of JeVaughn Powell and Chris Robinson.Williams' time bettered the previous world mark of 44.52 set by American sprinter Michael Norman in March 2018.