A round-up of the latest Arsenal news as Thierry Henry gives Mikel Arteta a warningand fears are growing at Emirates Stadium that Bukayo Saka has sustained an injury. Arsenal fear Bukayo Saka has an injury after a worrying incident at PSVFears are on the rise at Arsenal that Saka has sustained a foot injury after the forward failed to feature at PSV Eindhoven. That is according to football.london, which reports that the 22-year-old was in some discomfort when he went down the tunnel with a physio this Tuesday. Arsenal let Saka sit out their open training session at London Colney on Monday afte…