Explainer: What is happening in Ethiopia’s Tigray region? | Ethiopia

Ethiopia’s federal government has declared an “unexpected war” on its northern Tigray state, threatening the stability of one of the world’s most strategic regions, the Horn of Africa. But the crisis in Ethiopia, one of Africa’s most populous countries, has been building for months, and “it has been like watching a train crash in slow motion”, Dino Mahtani with the International Crisis Group