Chiesa vs. Pettis, Borg vs. Moreno Reportedly Off After Conor McGregor Attack

A pair of matches at UFC 223 have been cancelled in the aftermath of Conor McGregor's bizarre bus attack at the card's media day Thursday. 

According to ESPN.com's Brett Okamoto, the bout featuring Michael Chiesa and Anthony Pettis as well as the preliminary between Ray Borg and Brandon Moreno were called off Thursday night. 

The cancellations are the product of McGregor's decision to crash Thursday's press event at Barclays Center in Brooklyn, New York. 

After making an unannounced appearance, McGregor and his entourage attacked a bus that was transporting a group of fighters back to their hotel: 

According to MMA Fighting's Ariel Helwani, McGregor and his team attacked the bus as "retaliation" because "Khabib Nurmagomedov and his team confronted Artem Lobov, one of Conor McGregor’s teammates and best friends, earlier this week."

Chiesa suffered multiple cuts on his face and those, combined with weight-cut complications, forced the cancellation of his fight. Borg was pulled because he "started to experience problems with his eye" due to particles of shattered glass, per Okamoto. 

Lobov, meanwhile, has been removed from his scheduled fight against Alex Caceres. According to Helwani, Caceres will not receive a new opponent. 

As for McGregor, Tom Winter of NBC News reported he has been arrested and is expected to be charged with assault.

"Do you wanna be in business with Conor McGregor right now? Do you wanna chase this guy around for interviews and buy his fights? Do you?" UFC president Dana White told ESPN (via Ripple). "I don’t think anybody is gonna want to right now. No, I think everybody’s gonna be pretty disgusted with Conor McGregor right now."