THE death toll in clashes this month between Ethiopia's two largest ethnic groups, the Oromo and Amhara, in the northern Amhara region may be as high as 200, a senior official said yesterday, up from previous reports of at least 50. Residents and officials in Oromiya Special Zone, an area in Amhara with a majority Oromo population, and the town of Ataye said there were deadly clashes in the area on April 16. "According to information we got from people who are displaced, we estimate that up to 200 people might have died from both zones, but we still need…