BREAKING - Mikel Arteta given fresh injury boost for PSG vs Arsenal as key star back in training

Riccardo Calafiori has returned to training ahead of Arsenal's clash against Paris Saint-Germain. The French giants will host the Gunners at the Parc des Princes on Wednesday night in .

Ousmane Dembele fired PSG to victory at the Emirates Stadium last week, breaking the deadlock inside the opening five minutes. With Mikel Arteta determined to overturn the one-goal deficit in the French capital, .

Calafiori was among those in first-team training at the Sobha Realty Centre on Tuesday morning. The 22-year-old defender suffered a knee injury during .

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Speaking to reporters ahead of the first leg against PSG, Arteta confirmed that Calafiori was unavailable for selection. But, the Italian appears to have since returned from the treatment room, .

. He missed Arsenal's 2-1 defeat to Bournemouth at the weekend after picking up a slight knock against the Parisians last week.

After the game, Arteta claimed he wasn't confident the 23-year-old defender would be fit in time to face PSG. The Spaniard said: "Confident? At the moment, no, because he wasn't able to play here, and we play in four days."

Keeping cards close to his chest, Arteta added: "I cannot tell you."

On translating 'rage, anger and frustration' from the Cherries match into a positive performance against PSG, the Arsenal manager said: "Well, we certainly wanted to create a really good vibe, a positive result would really help us to build what we wanted towards Wednesday.

"So what we have created now is a lot of rage, anger, frustration and a bad feeling in the tummy. So make sure that we use that for Wednesday to have a massive performance in Paris, win the game and be in the final."

On PSG resting players in their 2-1 defeat to Strasbourg, Arteta said: "Well, I don't know. They won the league so they have the luxury to do that.

"We haven't because we still have a lot to do in the Premier League. But we have four days and I'm sure we'll be fully recovered and at our best to play the game."

And, finally, on whether the Champions League has affected the Gunners' approach to the Premier League campaign, Arteta said: "Again, our preparation has been exactly the same or even more.

"I'm trying to put more emphasis into it. The margins are very small. It's true that maybe we lacked, I don't know, maybe a little bit of freshness and the way they have to repeat today.

"They had to play some players that probably weren’t in the best condition to play because we don't have other players. But that's it. That's the context of it."