No action will be taken against the Internazionale manager Jose Mourinho over allegations that he punched a supporter outside Old Trafford, police sources said today.

A fan claimed he was hit in the face by the Portuguese following last month's Champions League tie between the Italian club and Manchester United.

The police source said: "The complainant does not wish to pursue the matter and a decision was then made not to continue with the case following a review of the matter."

Mourinho was said to have clashed with a man close to the Inter team bus shortly before midnight on 11 March after his side's 2-0 defeat. The supporter alleged common assault, although he was not thought to be seriously injured, and Greater Manchester police approached United to view CCTV footage of the area.

Inter denied any altercation took place and issued a statement that maintained "nothing happened and there is no truth in it at all".

The club said Mourinho fulfilled his media obligations, signed autographs and met the United manager Sir Alex Ferguson in his office before he boarded the bus, which was parked outside the dressing rooms, in what was "a calm post-game experience".