(Photos) Usain Bolt injured in 4x100m men's relay final won by Britain

 Great Britain won gold in the men's 4x100m relay final after Usain Bolt dramatically pulled up on the final straight.
Nethaneel Mitchell-Blake raced to victory for Team GB as they posted the third fastest victory ever recorded,Daily Mail reports.
Bolt didn't get the fairy-tale ending he so desperately wanted as Jamaica failed to finish after he appeared to injure his hamstring.