Umunyamakuru wa BBC Louise Dewast ukorera mu burengerazuba bw'Afurika, avuga ko umukandida uhabwa amahirwe menshi ari Mohamed Ahmed Ould Ghazouani, usanzwe ari Minisitiri w'ingabo w'iki gihugu akaba ari n'inshuti ikomeye ya Perezida ucyuye igihe.
