UN's WFP warehouses looted in Abeche, Chad - Warning ahead of Darfur AU talks
He said fighters are crossing borders to launch attacks and risking a "really dangerous regional crisis".
His comments in Geneva come as the African Union meets in Nigeria, to discuss help for the overwhelmed and ill-equipped African force in Darfur.
Photos: This Sunday, Nov. 26, 2006 images made available Monday, Nov. 27 by the United Nations World Food Programme shows looted warehouses in Abeche, Chad. With gunfire sounding in the distance, workers took stock Monday of looted U.N. warehouses and government offices in this town in eastern Chad, the latest victim of unrest that started in Sudan's Darfur region and has spread across a swath of Africa. (AP Photo/United Nations World Food Programme)