West Ham's Valon Behrami will miss up to six months the club has confirmed.

The Swiss international injured his knee against Manchester City on March 1st and underwent surgery earlier this week.

"Behrami underwent keyhole surgery in Italy to assess and then repair the damage on Tuesday after two previous MRI scans," a statement read on the club's official website.

"Behrami is due back in London next week, where he will begin his rehabilitation with the club's medical staff as soon as possible."