Manchester United say they are aware of an alleged incident in Greece involving captain Harry Maguire.
The England defender, 27, has been arrested on the island of Mykonos following an alleged altercation with police, according to media reports.
The club said in a statement on Friday: "The club is aware of an alleged incident involving Harry Maguire in Mykonos last night.
Maguire is the world's most expensive defender, having signed for United from Leicester last summer for £80million.
In his first season at Old Trafford he was an ever-present in the Premier League, scoring one goal.
