Andy Murray qualifies for the ATP World Tour Finals semis

Andy Murray has qualified for the semi-finals of the ATP World Tour Finals in London.

The Brit needed to win just one set against Jo-Wilfried Tsonga to secure his place in the last four.

The world number three cruised to a 6-2 first set win.

Roger Federer and Novak Djokovic will also be in the semis, with the fourth spot to be decided tomorrow.

Muray's match against Tsonga is ongoing.