A court in Helsinki ordered the pre-trial detention of Yan Petrovsky, a Russian neo-Nazi mercenary who has fought against Ukrainian troops, as he awaits potential formal charges on war crimes he allegedly committed in Ukraine, the Finnish media outlet Helsingin Sanomat reported on Dec. 18. Petrovsky is a co-leader of Rusich, a Russian neo-Nazi paramilitary unit that has fought against Ukraine. He is accused by Ukraine, and now Finland, of committing war crimes during the Russian invasion of Donbas that started in 2014. Finnish authorities arrested Petrovsky in July as he tried to fly to France under the name Voislav...