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Arsenal captain Cesc Fabregas has apologised for his mistake in his side’s Champions League defeat to Barcelona.

The midfielder, who was an injury risk before kick-off, needlessly gave the ball away on the edge of his own box to help Barcelona score the opening goal of the game through Lionel Messi.

Fabregas attempted an ambitious back-heel to Jack Wilshere on the edge of the penalty area, only to give the ball away to Andres Iniesta, who in turn fed Messi to open the scoring.

Fabregas described the mistake as ‘the worst moment of his life’ and he took full responsbility for seeing Arsenal’s European dreams end at the hands of Barcelona for a second successive season.

Writing on his social networking website, Twitter, Fabregas said: “Great support from the Arsenal fans. I take full blame for the result tonight.

“One of the worst moments of my life. I apologise.”

Wilshere has tried to rally his team-mates ahead of this weekend’s FA Cup quarter-final showdown with Manchester United.

Wilshere wrote via Twitter: “We have to pick ourselves up now. Win Saturday and then keep going strong in the league… still could be our year.”

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