As if Eritrea and Ethiopia resuming border battles and bickering is not enough for Africa, now Sudan is charging that Chad is attacking across their mutual border.  The conflict between Sudan and Chad is a direct result of the Darfur War in western Sudan and the ongoing civil wars in Chad and the Central African Republic.

See:

Sudan
accuses Chad of troop incursion,
bombardment–AFP, Dec. 28, 2007

Sudan
accuses Chadian army of violating its
territory–Sudan Tribune, Dec. 28, 2007