The United Nations World Food Programme (WFP) is warning of a looming halt to its food and nutrition assistance to 1.4 million crisis-affected populations in Chad – including newly arrived Sudanese refugees - due to funding constraints. Today's warning comes as aid agencies scramble to respond to a fresh wave of Sudanese refugees fleeing the unimaginable humanitarian crisis unfolding in neighboring Darfur amid reports of mass killings, rapes, and widespread destruction.