Usain Bolt win in 100m in London Grand Prix

The Olympic gold medal champion, Usain Bolt win in 100m in London grand Prix in 9.91 seconds. His team mate Yohan Blake finish second (10.11 secs) as Asafa Powell one of his main challengers finish fourth (10.26 secs)Tyson Gay, another rival expect to run in 200m Crystal Palace today and both await World Championships in Berlin next month.Complete London Grand Prix rank1 Usain Bolt (Jam) 9.91secs