irinnews.org - NAIROBI Monday, November 17, 2008 (IRIN) - An influx of asylum-seekers fleeing violence in Somalia to the refugee camps in Dadaab in north-eastern Kenya is causing overcrowding that could lead to a humanitarian crisis, UN officials have warned. The refugee population in Dadaab has risen to 224,000 from 171,000 in January. "Poor shelter, sanitation and a shortage of non-food items are posing a great challenge to the new refugees, especially now that the rainy season is here," said Liz Ahua,...» view full story