Marilyn Manson has allegedly been punched in the face while dining out at a restaurant.

The 46-year-old musician was involved in a "physical altercation" in a branch of Denny's in Alberta, Canada in the early hours of Sunday morning (April 5).

The incident took place after the musician performed at the Enmax Centre in Lethbridge.

A spokesperson for the Lethbridge Regional Police told E! News: "On April 5 around 2:45 a.m. Lethbridge Police responded to a report of an altercation at a Denny's restaurant along the 400 block of Mayor Magrath Drive South in Lethbridge, Alberta, Canada. 

"Investigation determined that three people had been involved in a physical altercation and sustained minor injuries. No charges were laid and the file has been concluded."

TMZ reports that Manson was allegedly punched after he made a remark about a fellow diner's girlfriend.

Manson recently appeared in a photo shoot with his dad, who was dressed up as the musician in gothic-style make-up and a leather trench coat.