THE death toll from violence last week in Ethiopia's northern Amhara region has risen to at least 50, residents said on Tuesday, amid tensions in the area between the country's two largest ethnic groups, the Oromo and Amhara. Thousands of people took to the streets of Amhara's regional capital Bahir Dar and other towns on Tuesday to protest against the killings, footage from the state-run Amhara Media Corporation showed. National elections are approaching in June and several regions in Ethiopia are plagued by political and ethnic violence. Political reforms after nearly three decades of iron-fisted government have emboldened regional powerbrokers,…