It all went wrong after a fan asked him for an autograph.
Kanye West is being investigated for battery after an alleged nighttime encounter with a fan.
Variety confirmed the news of the investigation, which is set in the early hours of Thursday morning outside the Soho Warehouse in downtown Los Angeles.
TMZ claims Kanye allegedly got into an argument with a male fan, whom he pushed and then punched, causing him to fall to the floor.
In a video obtained by the outlet, Kanye can be heard yelling, “Did you all say that or not? Did you all say that or not? Because that’s what the fuck happened.”
LAPD spokesman Redina Puentes confirmed the incident, noting that a report has been made at the site, but no arrests have been made.
Kanye has now been named as a suspect in the case, which is under investigation as a felony battery.
If convicted, the crime carries a maximum jail term of six months.
Kanye’s representatives have not yet released a statement.