Africa News Tonight- The East African regional bloc IGAD says the presidents of South Sudan, Kenya and Djibouti will travel to Sudan in an effort to broker an immediate ceasefire as fighting between rival military forces rages in Khartoum. Nigerian lawmakers are investigating allegations of $2.4 billion in illegal sales of stolen oil to China. Plus, two journalists in northern Cameroon are calling for government protection after witnesses say a mayor publicly threatened to kill them for investigating corruption in road construction contracts. For this and more, stay tuned to Africa News Tonight!