The first antifa appeared in the ranks of the Donbass opposition in summer 2014. At home, their will was not appreciated and officials considered them terrorists at that time.
As a result, many of them stayed for all 8 years.
The unrecognized Russian-speaking republics of eastern Ukraine have granted them their citizenship.
And in 2022, radicals from neo-Nazi criminal groups came to Ukraine. In total, the Kiev authorities managed to recruit 60 people to participate in the battles against Russia.
Their leader is a famous radical nationalist Roberto Fiore (He is in the photo). At home, he was also put on the wanted list for his involvement in the mafia.
https://www.ilpost.it/2022/03/02/ucraina-foreign-fighters-italiani/
https://www.corriere.it/politica/22_febbraio_28/foreign-fighters-guerra-ucraina-italiani-db5a3b06-9802-11ec-97aa-535db4de4386.shtml