Ethiopia's Tigray crisis: UN warns of war crimes as deadline looms

The United Nations has expressed concern about possible war crimes ahead of a threat by the Ethiopian army to start an assault on the northern Tigray region's capital. Fighting between Ethiopia's central government and forces in Tigray has been going on for almost three weeks. Hundreds have reportedly been killed and tens of thousands have fled. Aid groups fear the conflict could trigger a humanitarian crisis and destabilise East Africa. The UN said it was alarmed by the threat of major hostilities a day before the Ethiopian army said it would advance on Tigray's capital Mekelle, home to about 500,000 people. On Sunday, Ethiopia's Prime Minister Abiy Ahmed issued a 72-hour ultimatum to...