"And while in recent years Ukraine had discouraged such radical foreigners from entering the country, the government has issued new calls for international volunteers to help turn back the Russian invasion. On Wednesday, the Counter Extremism Project issued a fresh warning that the invasion 'has sparked online activity from far-right white nationalists and neo-Nazi groups' motivated to join the conflict. … 

Russian President Vladimir Putin has used “denazification” of Ukraine as one of several narratives to justify his attack, beginning last month, on the country. Hans Jakob-Schindler, senior director of the Counter Extremism Project, a nonpartisan policy group that studies extremist ideologies, said Putin’s claims are pure propaganda, pointing out that Ukraine’s centrist president, Volodymyr Zelenskyy, is Jewish. 'That is, apparently, a very new kind of Nazi that only a Russian understands how that works,' he said 'This is not a right-wing, extremist-run state.'"