Arnie: 'I'll be back'

Marko Arnautovic. Pic: Reuters

West Ham forward Marko Arnautovic has vowed to "come back strong and quick" as he looks set to be "out for a while" with a suspected hamstring problem.

The Austria striker, who has scored five goals for the Irons this season, was forced off during the first half of Tuesday night's 3-1 Premier League win over Cardiff.

Arnautovic posted pictures of his leg in a straight knee sleeve and said on his Instagram story: "Lets Go I will do everything to be back for my team @westham

"Thank you so much for all your messages. I will be out for a while but will do everything to come back strong and quick".

West Ham have yet to confirm the full extent of Arnautovic's injury, but wished the forward a speedy recovery in a post on the club Twitter account, which said: "Get well soon, Arnie".

Irons boss Manuel Pellegrini is set to hold a pre-match press conference today when more is expected to be revealed on Arnautovic's expected lay-off.