U.N. Under-Secretary General for Humanitarian Affairs Valerie Amos (L) speaks during a joint news conference with Sudanese Social Welfare Minister Amira al-Fadel Mohamed (not pictured) after an NGO meeting with the Sudanese government in Khartoum January 4, 2012. The United Nations has received alarming reports of malnutrition in two Sudanese border states where the army is fighting insurgents, a senior U.N. official said on Wednesday. REUTERS/Mohamed Nureldin Abdallah (SUDAN - Tags: POLITICS SOCIETY POVERTY CIVIL UNREST)