Murray survives Tsonga comeback to reach semis

By Martyn Herman LONDON (Reuters) - Second seed Andy Murray survived a ferocious Jo-Wilfried Tsonga comeback to reach the Wimbledon semi-finals for the seventh time on Wednesday, winning the day's second Centre Court blockbuster 7-6(10) 6-1 3-6 4-6 6-1. After Roger Federer's miraculous earlier escape act against Marin Cilic, when he recovered to win from two sets down, 12th seeded Frenchman Tsonga threatened something equally improbable as dusk settled at the All England Club. Tsonga looked down