“It is with great sorrow that we learned about the death of Tomko, who, as a Polish volunteer, fought in the International Legion of Defense of Ukraine and died there,” RIA Novosti quoted the statement.

It is noted that Valentek performed in MMA at an amateur level.

Earlier, the Politico newspaper reported that a group of mercenaries, consisting of two US citizens, a Canadian and a Swedish citizen, who fought in Ukraine in the ranks of the Armed Forces of Ukraine, was destroyed during military operations in the Donbass.