Somali children line up to receive food rations in Mogadishu on July 16, 2011. Thousands of Somalis have fled into neighbouring Kenya and Ethiopia seeking aid in recent weeks, in the wake of the Horn of Africa's worst drought in decades that has left millions of people facing starvation. But many too have stayed behind in a desperate struggle for survival. Drought-hit Somalia is stretching relief workers to their limits and is now facing a fully-fledged humanitarian catastrophe, aid agencies warned on July 15. AFP PHOTO/ALI MUSA