Manchester United’s pre-season friendly at Preston on Saturday has been called off after “small number of positive” Covid-19 cases were identified at the Premier League club.

United drew 2-2 against Brentford on Wednesday and detected cases following routine testing of the first team.

Individuals are now isolating pending the results of further tests.

United say they have cancelled the game at Preston as a “precautionary measure based on Covid protocols”.

A mixture of both players and staff are in isolation after conducting lateral flow tests.

United said in a statement: “At this stage, we do not expect further disruption around our forthcoming matches, but we will continue to follow Premier League protocols in this regard.”

Ole Gunnar Solskjaer’s side’s only remaining friendly scheduled before the start of the season is against Everton on 7 August, a week before they begin their Premier League campaign against rivals Leeds.

United say any supporters who purchased tickets for the Preston game will be given a full refund.