Ethiopia back to civil war? Horn of Africa fears spillover effect of renewed fighting

After contagion in the Arabian Peninsula, should the entire Horn of Africa fear a domino effect? Just as Donald Trump’s decision to invade Iran drew the Saudis back to Yemen: did threats over the Strait of Bab el-Mandeb light the fuse in Ethiopia, where last week, unresolved issues between the government and its Tigray region erupted? Could a potential return to civil war draw in regional rivals?