The Ogaden or, as it is officially known in Ethiopia, the Somali region, shares a 1,600km (990-mile) border with Somalia.
Campaigners say inmates were routinely tortured at "Jail Ogaden ... of Ethiopia's Somali region, Mustafa Omer, told Al Jazeera news in April that he was chasing the people who allowed the ...
The Ogaden or, as it is officially known in Ethiopia, the Somali region, shares a 1,600km (990-mile) border with Somalia. People on both sides share ethnic, cultural, linguistic and religious ties.