Umutwe witwara gisirikari wa Wagner usanzwe ukoreshwa mu bikorwa bya gisirikari n’Uburusiya wamaze kwigarurira imijyi ibiri mu majyepfo y’Uburusiya. Umuryango w’abibumbye wongeye gusaba ko ubwicanyi bukorerwa abasivili bukorwa n’umutwe witwara gisirikari wa Rapid Supports Forces RSF buhagarara.