A commission in Tanzania formed to investigate postelection violence says that at least 518 people died after the October vote.

U.N.-backed investigators say Sudan’s paramilitary Rapid Support Forces have carried out a campaign in the city of el-Fasher in the Darfur region that shows “hallmarks of genocide” against non-Arab communities.

U.N.-backed human rights investigators are urging the creation of an “independent and impartial force” to protect civilians in Sudan’s war.