The Wagner group.......
From RTE website....

An international human rights organisation says it has received "credible" reports of a massacre of civilians in late March in central Mali by Russian mercenaries and Malian government troops

At around 10am on 27 March, helicopters landed in the village of Moura in central Mali and soldiers – some of them white – disembarked. The area had been under the partial control of Al-Queda linked Islamist militants. Witnesses who spoke to the NGO Human Rights Watch (HRW) said a group of jihadists was at a market in the village that day.

Reported over 300 massacred.....