Getty ImagesRitabrata BanerjeeBayern and Harry Kane hit by key injury blow ahead of Champions League second leg against ArsenalBayern MunichSerge GnabryArsenalChampions LeagueBayern Munich's Serge Gnabry has been ruled out of action ahead of their Champions League second leg against Arsenal.Article continues belowArticle continues belowArticle continues belowGnabry ruled out of actionSuffered a hamstring injury against ArsenalLikely to remain out of action for three weeksArticle continues below