Saving the best for last or signs of things to come, Usain Bolt was beaten by big rival Christian Coleman in the 100metres semi-final at London 2017 on Saturday night.

The Jamaican who had complained bitterly about the starting blocks in London was sluggish from the start again in the semi final race and that saw his 28-race winning streak at 100m ended.

Bolt struggled to make up his ground before finishing just behind Coleman as both sealed their places in the final later tonight, but the concerns are there that Bolt may struggle unless he improves his start. 

Saturday's final is the last individual race for legend Bolt