Renewed fighting between rebels from northern Tigray and the government in Addis Ababa has shattered 2022 peace deal. Return to Homepage The WHO chief warns that medical services in northern Ethiopia are coming under increased strain due to the conflict [File: Samuel Getachew/Al Jazeera]Fighting and drone strikes in northern Ethiopia are pushing the country's fragile health system towards collapse, the head of the World Health Organization (WHO) has warned.