A YouTuber’s announcement of a video games console giveaway sparked chaos and a major police response in the heart of New York City on Friday.
A crowd of roughly 2,000 converged at Union Square Park in anticipation of free PlayStation 5 devices from celebrity Twitch streamer Kai Cenat.
Police said the influencer was among a number of people detained and he could be charged with inciting a riot.
People were seen hurling fireworks, bottles and toppling barricades.
Subway trains passed the Union Square stop during the incident, the BBC’s US partner CBS reported, as police urged people to avoid the area.
People first gathered at around 13:00 local time (17:00 GMT) after Mr Cenat posted on social media – where he has more than 10 million followers and subscribers – that he would be handing out 300 PlayStations.
By 15:00, hundreds had piled on to streets surrounding one of New York City’s busiest train stops.
They climbed cars and the train station entrance’s roof and threw bottles at responding police officers.