1. ITV Report

MMA star Conor McGregor speaks of regret over New York melee

Conor McGregor flew in for the court appearance on a private jet. Photo: AP/Press Association Images

MMA star Conor McGregor has spoken of his regret over a backstage melee at a New York arena, and is in plea negotiations to resolve charges.

The 29-year-old Irish fighter and co-defendant Cian Cowley remain free on bail after a brief court appearance on Thursday.

Assistant district attorney Janet Gleeson said the case has not been presented to a grand jury for possible indictment because of the plea negotiations, signalling interest from all sides in resolving the matter swiftly.

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The men marched into court in tight blue suits, and passed a gallery packed with reporters and other defendants waiting for their hearings. They stood and said little during the appearance.

"I regret my actions that led me here today," McGregor said outside court afterwards.

"I understand the seriousness of this matter and I’m hopeful to get it resolved soon."

Video footage showed McGregor hurling a trolley at a bus full of fighters after a press conference for UFC 223 at Barclays Centre in Brooklyn in April.

Fighters Michael Chiesa and Ray Borg were injured by shattered glass and unable to compete.

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McGregor cheered the 25-year-old Cowley on Saturday as he fought in Belfast, and they flew to the US together on a private jet for the hearing.

Cowley said after the fight that he was hoping to get the case "out of the way".

They are due back in court July 26.