The first battle of the Chad-Sudan conflict took place on December 26 when Chadian troops crossed the border with Sudan while pursuing the RDL.

He told McDoom that Chadian army deserters join UFDC ranks every day, and that the troops bring their weapons and supplies with them.

[4] Following fighting at Goz-Beïda on October 18, 2007, Nour ordered FUC fighters accept integration into the army, threatening that those who did not would face punishment for insubordination and would be considered deserters.

[5] The situation reportedly led to distrust between Déby and Nour and doubts about the loyalty of FUC fighters to the government.

[4] Amid escalating fighting in the east with another rebel group, the Union of Forces for Democracy and Development, Déby dismissed Nour from the government on December 1, 2007, without giving a reason.