Getty Images SportHarry SherlockArsenal 'on red alert' after Alexander Isak update as 'the truth' emerges about Newcastle striker's contractA. IsakArsenalTransfersNewcastlePremier LeagueArsenal could be on red alert as 'the truth' emerges about Alexander Isak's contract situation at Newcastle.Article continues belowArticle continues belowArticle continues belowIsak has long been linked with ArsenalNot in talks over new deal at NewcastleGunners could swoop in summerFollow GOAL on WhatsApp! 🟢📱Article continues below