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"Outwardly, [they are] Yakuts or Buryats," Tymchuk wrote on Facebook.

Read alsoOSCE SMM: Small-arms fire, explosions occur close to SMM in ZoloteIn his words, the number of mercenaries from the Russian Federation is increasing while the presence of local militants is decreasing in this region, which is the responsibility zone of the units from the 100th separate motorized rifle brigade of the 1st Army Corps of the "DPR."