U.N. envoy: 'Fragile' balance in Darfur could disintegrate« Thread Started on Mar 25, 2007, 1:42pm » --------------------------------------------------------------------------------U.N. envoy: 'Fragile' balance in Darfur could disintegratePOSTED: 1621 GMT (0021 HKT), March 25, 2007 read at source> http://edition.cnn.com/2007/WORLD/afric ... dex.htmlES SALLAM, Sudan (Reuters) -- The new U.N. humanitarian chief warned Sunday that humanitarian efforts in Darfur could collapse if the situation deteriorates and aid workers are prevented from doing their work.