Food-for-work programs in Nepal are running into problems because of the security situation. GTZ, the German aid group, and the UN's World Food Program are involved in food aid. Ulf Wernicke of GTZ, however, says no programs have been withdrawn so far although a rural development program in Bhojpur was suspended after its building was burnt by unknown attackers. On World Food Day Thursday, WFP warned it would consider suspending its aid if it was threatened or harmed. Maoists have resorted to occasional looting of food convoys in the midwest and blockaded others from reaching certain district headquarters.