Wu Yize moved within five frames of becoming the second youngest world snooker champion in history after withstanding a strong Shaun Murphy fightback in the third session of an absorbing Crucible final. The 22-year-old from Lanzhou looked down and out after losing the first five frames of the day as the experienced Murphy roared back from a 10-7 overnight deficit to surge into a 12-10 lead. But Wu, who had looked a pale imitation of the ferocious potting machine who had blazed into his first world final with scintillating wins over Mark Selby and Mark Allen , hit back to win the final three frames of the session and regain a slender 13-12 advantage. The magnitude of the occasion had appeared to weigh heavy on Wu, who missed far too many easy balls in the opening stages. Murphy, looking to win his second world title 21 years after his first, was only too happy to capitalise.…