Dana White has lifted the lid on the bizarre story behind Ottman Azaitar's expulsion from the UFC 257 card.

The undefeated lightweight was due to clash with Matt Trevola this weekend, when Conor McGregor returns to the octagon to face Dustin Poirier, but the fight has now been axed.

At the time of the announcement, which was made on Friday shortly after the official weigh-ins, no explanation was given for Azaitar being kicked out of the UFC.

But UFC supremo White has now revealed the staggering details that led to his decision, while also confirming that Frevola will now take on Arman Tsarukyan.

UFC have released Ottman Azaitar from the promotion the day before his scheduled fight
UFC have released Ottman Azaitar from the promotion the day before his scheduled fight

He told BT Sport: "Yeah it's pretty amazing actually.

"So he and his team cut off their wristbands, gave them to somebody outside the bubble - I don't know how they even did it - that guy taped them and showed up here with a bag.

"He went into a room, shimmied across four balconies, went in his room, dropped the bag off, changed his clothes and left.

Dana White has lifted the lid on the bizarre story behind Azaitar's expulsion

"When security tried to stop him he wouldn't stop either way and it's just bad. He's gone, he's no longer a UFC fighter. And he's not fighting."

He added: "One guy got inside the bubble, went in through a room and shimmied down four balconies, got in through his balcony and dropped off a bag of we don't know what.

"He changed his clothes and went back outside the bubble. We got everything on camera, we saw the whole thing and how it all went down and pulled his fight and cut him.

The undefeated lightweight was due to clash with Matt Trevola this weekend
The undefeated lightweight was due to clash with Matt Trevola this weekend

"It worked out for him (Frevola). "I'm happy for both the guys that we were able to get a fight."

Azaitar, who was born in Germany, leaves the UFC have secured victories in each of his 13 fights.

McGregor headlines the card when he takes on old rival Poirier at Fight Island in Abu Dhabi.