Ten-man Arsenal succumbed to Barcelona as they were again knocked out of the Champions League by the Catalan outfit on Tuesday night.
A Cesc Fabregas mistake allowed Lionel Messi to chip a ball over keeper Manuel Almunia and slot in for Barcelona.
Arsenal levelled through a Sergio Busquets own goal before the visitors had Robin van Perise harshly sent off.
Barcelona took full advantage as a brilliant move led to Xavi slotting in before Laurent Koscielny's foul on Pedro let Messi score from the spot.
Arsenal had their Champions League dreams shattered at the Camp Nou last season when a Messi-inspired Barcelona came from a goal down to win their quarter-final 4-1 and 6-3 on aggregate.
Watch video of goals below: