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Arsene Wenger has warned Chile they are in danger of making a “suicidal decision” which could rule Alexis Sanchez out for THREE MONTHS.

Chile boss Juan Antonio Pizzi is ready to risk the striker in next week’s clash with Uruguay, despite Arsenal chief Wenger revealing he has been told his star striker suffered a hamstring injury rather than a calf problem.

Arsenal boss Wenger is now ready to go to war with the Chilean FA to stop them from taking any chances on Sanchez by playing him and making the injury worse.

Sanchez is out of Chile’s Thursday game with Colombia but rather than send him home they have kept him in Santiago for treatment in the hope he may be fit to face Uruguay on Tuesday.

(Image: Reuters)

(Image: Reuters)

Pizzi said: “Alexis has the chance to play on Tuesday. The medical report says about a small injury that it is best to wait to see how it evolves.”

But Wenger fears that Sanchez always demands to play and he says that Arsenal’s medical staff are keen to see MRI scans on the injury to see the extent of the damage.

Wenger, in an interview with beIN Sports , said: “I got a text last night (to say) that he has a hamstring injury. The team from Chile has travelled without him and they kept him to try and get him fit to play Uruguay for the second game on Tuesday night.

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“We have to get access for our medical staff to the MRI scan to see what grade it is, how bad it is and make absolutely sure they don’t make any suicidal decision that could harm his future for two or three months.

“That is absolutely important. It’s a grey area between the national team and the club team and of course they look at their own results which I can understand but we have to preserve the health of Alexis Sanchez.

“He always wants to play and that’s where it is a more sensitive case because he’s always ready to play even when injured.”

(Image: Getty Images)

(Image: Getty Images)

Sanchez missed a chunk of last season when he played with a hamstring injury - and then made it worse.

Wenger will be desperate for Sanchez not to take any chances this time and for him to return to London for treatment.

Sanchez has been in good form this season playing as a central striker and Wenger will be hoping he can be fit to face Manchester United on Saturday week.

Meanwhile, full-back Hector Bellerin is also a fitness worry for Arsenal after withdrawing from Spain’s Under-21 squad after a flare-up of an ankle injury.