Wales worried over injured quartet 10 days before Australia showdown

• Northampton wing George North among doubts with hand injury• Liam Williams, Jake Ball and Scott Williams may miss 5 November gameWales’s relief at having their England-based players available for next week’s autumn series opener against Australia in Cardiff has been tempered by mounting injuries with the Northampton wing George North among four players receiving treatment.North injured a hand playing for Northampton on Saturday, a day when two Scarlets players, the full-back Liam Williams and the second row Jake Ball left the field at Saracens with ankle and rib problems respectively. The re…