Jack Wilshere was photographed smoking outside a nightclub last week.
It provoked an angry reaction from manager Arsene Wenger who - quoted in The Guardian - said: "I disagree completely with that behaviour."
The midfielder bounced back from the controversy to score in the 1-1 draw with West Brom on Sunday.
Quoted in The Metro in support of Wilshere, Mathieu Flamini said: "I think Jack was focused, things like that [the smoking pictures] can happen.
"He is still young. He has to keep working hard and he is learning. I don’t think it was a problem. The manager has talked to him but it is behind him now."
Certainly, Flamini is enjoying his second-coming at Arsenal, appearing alongside Wilshere in a side that is currently top of the Premier League.
The Frenchman was effusive in his praise of the young star. "Jack is a very talented player," he added.
"He has a lot of quality. He plays in a great team and has everything to be successful. I think he is proving to everyone he is doing well. We are fighting for the title and he is playing every game."
Whilst Wilshere was left out of the starting line-up in Arsenal's 2-0 victory over Napoli last week, the player returned to the first XI in the draw against West Brom, albeit not in his favoured central position.
The creative space was instead filled by recent signing Mesut Ozil, who has universally impressed since his move from Real Madrid.
Flamini, however, was sure that Wilshere will continue to be a major part of the new-look Arsenal, ‘he is doing very well.
Of course he will improve game after game – he is still very young. He has a lot to learn but already what he is doing is incredible.
I think everyone at the club is very happy with him, the fans are very happy and I think everyone should be happy with what he is doing.’
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