10:18 AM PT -- Khabib just fired back at his arch nemesis ... clearly alluding to the reports that McGregor is under investigation for sexual assault in Ireland (his rep adamantly denies any wrongdoing).
"Rapist, you are Rapist." Nurmagomedov tweeted.
"You are a hypocrite who is not responsible for your actions. Justice will find you. We will see."
Rapist, you are Rapist.
You are a hypocrite who is not responsible for your actions. Justice will find you.
We will see.@TheNotoriousMMA pic.twitter.com/317rLK5TVN — khabib nurmagomedov (@TeamKhabib) April 3, 2019Conor McGregor personally attacked Khabib's wife -- and seemingly mocked Muslim tradition -- tweeting a photo of the UFC champ and his bride .