It has been targeted by neo-Nazis and members of the alt-right, who have been organising against the protest on the message board 4Chan.

Publicity-seekers have been attempting to hijack the livestream, including a man, accused by a promotional Twitter account for the art project of being a neo-Nazi, who said "Hitler did nothing wrong".

In a video, Shia LaBeouf can be seen pushing a man who posed as if he was taking a selfie with the actor, but then said "Hitler did nothing wrong".

The actor then shoved the man, and was later seen being arrested on the livestream.

Mr LaBeouf was seen being lead away in handcuffs by police officers from the NYPD.

Police have told local media the artist faces a faces a misdemeanor assault charge after allegedly pulling the the scarf of an unidentified 25-year-old man, scratching his face in the process, and pushing him.