article_snippet: The Gunners set up a semi-final meeting against either Reading or Bradford thanks to a 2-1 win
article_snippet: over 10-man United at Old Trafford.
article_snippet: Former United striker Danny Welbeck returned to haunt Louis van Gaal by scoring the winner after Wayne Rooney had equalised Nacho Monreal's opener.
highlights_snippet: Danny Welbeck scored second-half winner to eliminate Danny Welbeck former side .