article_snippet.sent: Nathan Hughes' knee collided with George North's head as Nathan Hughes' crossed the line to score for Northampton .
article_snippet.sent: George North was knocked out following a collision with Nathan Hughes' knee.
article_snippet.sent: Wasps back-row Nathan Hughes was sent off and then banned for three weeks after knocking out George North with Wasps back-row Nathan Hughes right leg .
highlights_snippet.sent: George North was knocked out by Wasps' Nathan Hughes last Friday .
  
highlights_snippet.sent: Wasps' Nathan Hughes will be given at least a month to recover before returning to action .
  