 Anglophone crisis: Top UN adviser dey call for Cameroon investigation 1 October 2018 Wetin we call dis foto, Oga Dieng said dem need siddon yarn how to end di Cameroon crisis UN special adviser, Adama Dieng wey dey fight against kill-kill don call for sharp-sharp investigate on top di killings wey dey happun for di English speaking parts of Cameroon. 