McGregor, surrounded by security guards, then turns around and approaches the man in question. The Irishman, 36, appears to spit in the man’s face, before saying: “I spit in your face, what do you do? Nothing. I spit in your face.” The Independent has approached McGregor and his management team for comment.

A video has surfaced of UFC star Conor McGregor spitting in a man's face in a Las Vegas casino. The source of the original video is unclear, as is the timeline, though McGregor is seen outside Caffe Al Teatro in Wynn Las Vegas and Encore heavily surrounded by security and handlers.

Former UFC champion Conor McGregor was caught on camera appearing to spit in the face of a fan who was chanting in support of the Dubliner's rival, Khabib Nurmagomedov