Northampton say George North was not knocked out by fall in Leicester loss

• Wales wing fell awkwardly in challenge with Adam Thompstone
• ‘The doctor was very, very happy even as he walked off,’ says Jim MallinderThe Northampton director of rugby, Jim Mallinder, denied that George North had been knocked out during Saturday’s 19-11 Premiership defeat at Leicester.North crashed to the ground heavily after being tackled in the air by Adam Thompstone in the 17th minute, earning the Tigers player a yellow card, and television replays appeared to