Nigeria, April 3 -- When civil war started in Sudan in April 2023, the United Nations (UN) warned that the conflict could seep through the country's borders and spread. The likelihood of that happening is increasing with the Sudanese Armed Forces' (SAF) recent threats against its neighbours, Chad and South Sudan.

Last week, SAF Deputy Commander-in-Chief, Yasir al-Atta, said Chad's airports in Amdjarass and N'Djamena were legitimate targets for Sudan's army. His statement was made against a backdrop of continued external support for the rival Rapid Support Forces (RSF).

Sudan's neighbouring countries initially maintained a neutral position on its war, but a 2024 UN Security Council report confirms Chad's support of the RSF and its involv...