The Irish Independent on Friday reported McGregor, 31, is due in Dublin District Court on Oct. 11 to answer on a single assault charge filed by police after he allegedly struck the man at the Marble Arch pub on April 6.
The assault charge carries a potential penalty of up to six months in prison and a fine of 1,500 Euros, or both.
Video footage of the alleged assault surfaced four months after it took place in August, when TMZ obtained video that appears to show McGregor decking the older man after he demurs at an offer of his Proper Twelve whiskey. The ufc star is quickly shuttled out of the bar by men who appear to be his security entourage.
TMZ initially reported that police had seen the video, but declined to file charges against McGregor. But according to the Independent, prosecutors reversed course and directed police to issue a summons for the former UFC champ; McGregor was recently served with a notice to appear in court.
The former two-division UFC champ apologized for the incident shortly after the footage surfaced. He told espn he was in the wrong for his behavior. The incident spurred a major backlash from fans who said the Irish star had gone overboard. An Irish bar posted a video where they emptied bottles of Proper Twelve into the toilet.
alleged sexual assault that occurred this past December, according to the new york Times. UFC President dana white has professed ignorance about the case while also claiming McGregor has denied involvement.