In response, McGregor took himself and his entourage to Barclays Center where they gained access and headed to the loading dock area where buses that held other UFC fighters, including Numagomedov, were scheduled to depart back to hotels.
A video has emerged of a bus window being smashed, where fighters were injured as they waited to leave a media day for the UFC.
McGregor was charged with felony criminal mischief and misdemeanor counts of assault, attempted assault, menacing and reckless endangerment.
McGregor and co-defendant Cian Cowley are due back in court June 14.
Bail for McGregor was set at $50,000 and $25,000 for Cowley, with both men were bailed out by celebrity bondsman Ira Judelson, the New York Post reported.
Footage appears to show McGregor throwing a trolley at the bus - smashing a window - followed by further altercations. "No, you don't get my help on this one".
However, of all the comments on McGregor, none have been as striking or peculiar as those made by New York State Athletic Commission executive director Kim Sumbler, who compared the fighter to murderous cult leader Charles Manson.
McGregor was also steamed over losing his title belt due to inactivity.
Brazil's Lula will not turn himself to police - party source
Mariana Setra, a da Silva supporter in Sao Paulo, called the top court's decision "ridiculous". Moro wants da Silva to begin serving his sentence of 12 years and one month.
Mr White called it "the most disgusting thing that has ever happened in the history of the company", and warned that McGregor would likely face legal action.
The fallout from the melee has seen three fighters sidelined from their bouts this weekend, while Artem Lobov has been pulled from the card by UFC for his alleged involvement.
"What the fuck", Chiesa said in the video, as blood ran down his face.
"This is way bigger than 'are you going to fire the guy?' This is criminal", he said. (WARNING: Some language may be offensive) "Conor heard about it and loaded a plane up in Ireland with 20 goons", White said. "You's'll strip me of nothing", he tweeted, invoking an expletive.
McGregor (21-3) last fought for UFC in November 2016, when he won the lightweight (155-pound) championship, according to Bleacher Report.
McGregor, who has a fierce rivalry with Nurmagomedov, was said to be incensed by the incident with Lobov, and immediately flew to NY in a rage.
Conor McGregor's rough week got even rougher on Saturday night.
McGregor, a former lightweight and featherweight champion in UFC, has become one of the stars of his sport, best known for his antics and bravado leading up to fights.
McGregor last competed eight months ago, losing to undefeated Floyd Mayweather in a boxing match that reportedly paid Mayweather more than $100 million and McGregor at least $30 million.