Conor McGregor has called out Khabib Nurmagomedov's father for being a "coward" in a post on social media:
Conor McGregorabdulmanap.nurmagomedov I can see you. Cowering behind fake respect. Just like your middle child. A quivering coward. https://t.co/MwujoBGmeW
His comments came ahead of his clash with the undefeated Nurmagomedov for the lightweight title at UFC 229 at the T-Mobile Arena in Las Vegas in October.
McGregor will be making his first appearance in the Octagon since November 2016.
This article will be updated to provide more information on this story as it becomes available.