Africa News Tonight: U.S. Secretary of State Antony Blinken warns that cease-fire violators in Sudan will be held accountable as the latest agreement between the country’s two warring factions failed to hold hours after going into effect. Mauritania’s ruling party took a landslide victory in legislative, regional and municipal elections on May 13, according to official results. And, the delayed rape trial of Senegal opposition leader Ousmane Sonko resumed in the capital Dakar today as his party called for "resistance" and a national shutdown. For this and more, stay tuned to Africa News Tonight!