Arsenal hit back late to earn semi-final with Chelsea

Arsenal hit back with late goals from Robin van Persie and William Gallas to beat Hull City 2-1 in their FA Cup quarter-final on Tuesday.Arsenal trailed to Nicky Barmby's early strike and were not posing much threat until Dutchman Van Persie rammed in an equaliser from inside the penalty area with 16 minutes left.Gallas then headed in from close range to seal a semi-final against Chelsea at Wembley, although the French defender appeared to be in an offside position.The other semi-final will be between Manchester United and Everton.