A man has been arrested after a complaint regarding alleged racist behaviour at Stamford Bridge on last Wednesday.
The 28-year-old man was arrested on Monday after attending a west London police station by appointment, police said in a statement.
The police statement said he was "arrested on suspicion of a racially aggravated Section 4A Public Order Act offence and currently remains in custody at the west London police station.
The arrest comes after the Blues filed a complaint to the Football Association over referee Mark Clattenburg allegedly airing a raical slur at midfielder John Obi Mikel at the weekend.
Chelsea have also promised to investigate the matter.
Suggested For You
Get top stories and blog posts emailed to me each day. Newsletters may offer personalized content or advertisements. Learn more