Too late to prevent civil war? Thousands flee as Ethiopia's Tigray conflict escalates

Just 13 months ago, Ethiopia's prime minister was awarded the Nobel Peace Prize. Now critics say Abiy Ahmed is leading his nation into war. In the northern Tigray region, thousands of civilians are on the move, fleeing two weeks of fighting between rebel forces from the Tigray People's Liberation Front and the army. There are accusations of atrocities on both sides and the UN is already warning of possible war crimes. What's the endgame?