Greater Manchester Police (GMP) are investigating an alleged racially aggravated assault against Manchester City's Raheem Sterling.
It has been reported that Sterling was kicked and racially abused as he arrived at City's training ground on Saturday ahead of their game against Tottenham later that day.
A statement from GMP said no report had yet been made, but they were treating the incident as a hate crime.
The statement read: "On Sunday 17 December 2017, police were made aware that a 23-year-old man had been subject to a racially aggravated assault on Clayton Lane on Saturday 16 December.
Sterling has scored 15 goals for Man City this campaign, which is already a season's best for him
"While an official report has not yet been made, enquiries will be carried out and officers are treating it as a hate crime.
"Hate crime will not be tolerated in Greater Manchester."
England winger Sterling went on to score twice for Manchester City as they beat Spurs 4-1 to extend their winning run in the Premier League to an unprecedented 16 matches.