About 20,000 "international volunteers" go to Ukraine to fight

Ukrainian Foreign Minister Kuleba said on the 6th local time that about 20,000 "international volunteers" went to Ukraine to participate in the battle with the Russian army. Ukrainian President Volodymyr Zelensky said on the 3rd local time that the first batch of foreign mercenaries had arrived in Ukraine to fight against Russia.
According to foreign media reports, most of these "volunteers" are retired soldiers from the United States and Europe. The Investigative Committee of the Russian Federation said on the 2nd that it is conducting inspections and preparing for the prosecution of foreign mercenaries.