sentences:  In April 2005, ethnic conflict between the Guji Oromo and the Gabbra in southern Oromia led to massive displacement of people.An NGO working in the area reported as many as 50,000 people in Hagere Mariam, Yabelo and Arero woredas were forced to flee, and several thousand huts burnt.The 2007 national census reported a total population for this woreda of 264,489, of whom 133,730 were men and 130,759 were women; 35,245 or 13.33% of its population were urban dwellers.