Disputes International

Civil war in Sudan overlaps into Chad as both states step up border patrols, leaving refugees and rebel groups in both countries; Chad serves as an important mediator in the Sudanese civil conflict; Chadian Aozou rebels reside in southern Libya; Lake Chad Commission continues to urge signatories Cameroon, Chad, Niger, and Nigeria to ratify delimitation treaty over lake region; Chad rejects Nigerian request to redemarcate boundary, the site of periodic cross-border incidents.