Mikel Arteta has revealed that Bukayo Saka is facing ‘weeks’ out in a fresh update on his star winger’s worrying injury.Saka went down in the opening minutes of the Gunners’ Champions League draw against Bayern Munich under no pressure.Saka pulled up in pain immediately after making a pass in midweek and went on to miss Arsenal’s clash against Everton on Saturday afternoonGettyWith the score at 0-0, he pulled up after attempting to play a crossfield ball, immediately going ground and indicating that he was unable to continue as medics came on to assess him.He clutched his thigh as fell over and was then replaced by Eberechi Eze, who went on to score in the match in Munich.The game finished 2-2 in the end, but concerns remained over Saka after he picked up what looked to be a serious knock.And Arteta confirmed post-match on Wednesday: “They [the medical staff] are a bit concerned. The player having to come off feeling a sharp pain is never good news but we have to wait and see.”Saka hasn’t trained since and went on to miss Arsenal‘s 2-0 win over Everton at the Emirates on Saturday afternoon. How long will Saka be out for Arsenal?After that victory, Arteta then gave another update on the England international amid reports he could be out for two months. The Gunners boss told talkSPORT: “We have to wait. It will be weeks. “I think in a week or ten days we’re going to have another scan because there’s so much fluid at the moment.“So the picture is not that clear to give you an exact amount of time.“But it looks like it’s going to be weeks.”Arteta has revealed that Saka is going to be out for ‘weeks’ and he is due to have another scan on his injury soonGettyArsenal and England’s injury blowSaka has made ten appearances in all competitions at club level this season, scoring four goals and assisting once.Three of his goals have come in the Premier League, while has scored and provided an assist in the Champions League.Noni Madueke played in his place against Everton, with Arsenal coming out on top with ease, even without Saka.The Gunners may be able to cope without him, but England are also set to be without one of their stars next month. If Saka is out for multiple weeks, then manager Thomas Tuchel will be missing him for the upcoming November internationals.The Three Lions face Croatia and Spain in their final two Nations League group stage fixtures in just three weeks time.Saka started in three of England’s four games in the previous international break, and scored a double in the 7-0 thumping of Croatia.