article_snippet: Arsenal striker Danny Welbeck celebrates after scoring against former club Manchester United at Old Trafford .
article_snippet: Fabian Delph shoots and scores as Aston Villa beat Midland rivals West Brom to reach Wembley on Saturday .
article_snippet: One side Bradford, who knocked Chelsea out earlier in the competition, face a replay against Reading .
article_snippet: Bradford beat Chelsea 4-2 at Stamford Bridge in the fourth round but were shunned when Bradford claimed another League scalp against Sunderland in February.
article_snippet: The draw for the semi-finals was made following Manchester United's 2-1 loss against Arsenal at Old Trafford on Monday night.
article_snippet: draw against Louis van Gaal's side.
article_snippet: Arsenal at Old Trafford will face Bradford or Reading at Wembley, while Aston Villa will meet either Liverpool or Championship side Blackburn.