The incident happened in a Dublin Pub.
Video has emerged of Conor McGregor allegedly to lash out at an elderly man in the head with his left hand.
The clip obtained by TMZ which happened at the Marble Arch pub in Drimnagh on April 6, TMZ have reported.
Following the incident, the fighter is then escorted out of the pub by a number of people.
The bartender behind the bar seems to be completely shocked by the incident as she puts her hands to her face.
These incidents result in him appearing before the court but all of the charges were dropped in the end.
Check out the video below that TMZ obtained.
Conor McGregor putting hands on a elderly man in whiskey dispute [via @TMZ] pic.twitter.com/1O8rtm325t
— threesixtytvboxing? (@threesixtytvbxn) August 15, 2019