England left back Ben Chilwell will miss the World Cup in Qatar after being ruled out for up to three months due to a hamstring injury, British media reported on Thursday, a week before Gareth Southgate is due to name his 26-man squad for the tournament.Chilwell pulled up in stoppage time of Chelsea's 2-1 Champions League win over Dinamo Zagreb on Wednesday.The 25-year-old grabbed the back of his left thigh after making a sprint, falling to the ground before being helped from the field by Chelsea's medical staff, and was pictured leaving Stamford Bridge on crutches.Chilwell became the latest England player to suffer a World Cup scare, with Chelsea team mate Reece James as well as Manchester City duo Kyle Walker and Kalvin Phillips all currently sidelined.England kick off their World Cup campaign against Iran on Nov.