Mixed martial arts star Conor McGregor is being sued by fellow fighter Michael Chiesa after McGregor attacked on a bus at the Barclays Center in New York in April, according to online court records.
Chiesa was injured in the attack and had to withdraw from his scheduled fight against Anthony Pettis at UFC 223.
Video showed what appeared to be McGregor throwing a hand truck at a bus full of fighters after a news conference.
The lawsuit was filed by Chiesa in Kings County, New York claims that Chiesa has "experienced pain, suffering and a loss of enjoyment of life" due to the attack.