Africa News Tonight: The U. S. ambassador to South Africa Reuben Brigety yesterday accused the government of President Cyril Ramaposha of providing weapons and ammunition to Russia for its war in Ukraine. U.S. officials say Sudan's warring parties signed a commitment late yesterday on guidelines for allowing humanitarian assistance but did not agree to a cease-fire. Plus, As Egyptian President Abdel Fattah al Sisi starts his campaign for a third term, his only competitor Ahmed Altantawy, has said two of his uncles and a group of friends and supporters have been detained in recent days. For this and more, stay tuned to Africa News Tonight!