Disputes - international:
internal political instabilities with fighting and violence overlap
into Chad and Central African Republic, leaving refugees and rebel
groups in both countries; 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, which remains the site of armed clashes among local
populations and militias; Chad rejects Nigerian request to
redemarcate boundary, the site of continuing cross-border incidents