source: Corbeau News
actor1: Wagner Group
actor2: Civilians (Cameroon)
location: Abba
notes: On 20 November 2021, Russian mercenaries from Wagner Group attacked a group of 20 civilians from Cameroon, who were suspected of going to the mining site without the Wagner's permit, in Yidere, 40km from Abba (Nana-Mambere). The mercenaries also looted their money and belongings. Ten people disappeared, five were injured, and other five were killed.