A Birmingham City supporter invaded the pitch on Sunday during the team's clash with Aston Villa and aimed a punch at Jack Grealish.
The remarkable incident happened early in the game between the two bitter rivals, with the fan taking a swing at the Villa star from behind.
Here's the moment in question (not available for viewers in the United States):
Sky Sports Footballud83dude21 - "An absolute disgrace!" A fan has run onto the field and attacked Jack Grealish from behind. https://t.co/G0ycBp36N3
This article will be updated to provide more information on this story as it becomes available.