Doctors have performed an extraordinary operation to save a man's severed hand by attaching it to his leg. The man's hand was successfully grafted back on to his wrists after a month, when the nerves and tendons had healed from the trauma. The rare operation was performed at a hospital in Changsha, the capital of Hunan Province in central China. It happened after a factory worker called Zhou had his left hand chopped off during a work accident involving a spinning blade machine.

He was rushed to the Xiangya Hospital in Changsha where doctors assessed his situation. Dr Tang Juyu, head of microsurgery at the hospital, decided he could give Zhou a chance to 'revive' his lost hand - with an operation he and his team had already successfully performed once in 2013 under similar circumstances. Because both Zhou's arm and severed hand were badly wounded following the accident, doctors were…