Bradford and Reading must meet again for a place in the FA Cup semi-finals after playing out a tense and scrappy goalless draw at Valley Parade. Aston Villa are into the FA Cup semi-finals at Wembley after beating local rivals West Brom at Villa Park. Blackburn Rovers earned a deserved draw with Liverpool at Anfield as the Championship side forced an FA Cup quarter-final replay. Danny Welbeck returned to Manchester United as Arsenal's match-winner as the FA Cup holders secured a place in this year's semi-finals at Wembley.