Before the peace-keeping force was fully deployed, Habré had already taken advantage of Libya's withdrawal, and made massive inroads in eastern Chad, including the important city of Abéché, that fell on 19 November.
Innan den fredsbevarande styrkan var fullt utplacerad hade Habré dragit nytta av Libyens tillbakadragande och gjort massiva invägar i östra Tchad, inklusive den viktiga staden Abéché, som föll den 19 november.