At least 12 people were killed on Monday, October 12, by unidentified gunmen in the western Benishangul-Gumuz region of the country. A new drama like several massacres with sometimes ethnic overtones has bled this area in recent months. as reported from Nairobi, Local authorities insist: the killing has no ethnic roots. However, the versions differ. Melese Beyene, a spokeswoman for the regional state, spoke of an "act of revenge after the murder of an official's brother". Gashu Dugaz, head of the peace and security…