England’s medical staff are concerned that Harry Kane may have jeopardised his chances of being in peak physical condition at the World Cup by rushing back from injury too quickly last month.

The Tottenham Hotspur striker returned to action just three weeks after suffering ankle ligament damage against Bournemouth in March, when the initial prognosis was for a six-week layoff, but has yet to regain his best form.

Kane has scored three goals in six appearances since returning, including Tottenham’s second in their 2-0 win over Watford on Monday night, which has kept Mauricio Pochettino’s side on course for a top-four finish, but his overall display was poor and many of his key performance indicators are significantly down on earlier in the season.

The 24-year-old’s