Several political leaders from the European nationalist right, including Éric Zemmour, were to participate in a meeting in Brussels. "We are really in the register of old-fashioned communism, basically if you don't agree with me, you must be banned," Nigel Farage, champion of Brexit, said.

The mayor of Saint-Josse, Emir Kir, announced on Facebook that he had issued a ban "to guarantee public safety.' "The extreme right is not welcome,' added the elected official. "I issued an order from the Mayor to ban the "National Conservatism Conference" event to guarantee the safety, he said. The French polemicist appeared in front of the door of the conference room, to which the police blocked his access, before denouncing a "dictatorship." A cordon of law enforcement agents blocked the entrance, but the authorities ultimately gave up, demanding the departure of the participants already inside.