article_snippet: Danny Welbeck scored the winning goal as Arsene Wenger side knocked Arsene Wenger's side hosts out of the FA Cup and advanced to the semi-final.
article_snippet: quarter-final at Old Trafford .
highlights_snippet: Arsenal beat Manchester United at Old Trafford in the FA Cup .
  
highlights_snippet: Danny Welbeck scored the winner as the Gunners reached the semi-finals .
  