George North knocked out during Saints win

A controversial red card for Wasps' Nathan Hughes saw Northampton come from behind to win 52-30 at Franklin's Gardens and move 14 points clear at the top of the Aviva Premiership.



Hughes was sent off for kneeing Saints and Wales winger George North in the head as he scored the hosts and his second try.



The Wasps number eight complained it was unintentional but, after watching replays on the big screen, referee Craig Maxwell-Keys decided to issue a red card five minutes before half-time.



After suffering concussion in Wales's opening Six Nations match against England, when he was knock…