https://www.reuters.com/article/us-ethiopia-conflict/african-union-u-s-see-small-window-of-opportunity-to-end-ethiopia-fighting-idUSKBN2HT2CT >UNITED NATIONS/ADDIS ABABA (Reuters) -The African Union and the United States see a small window of opportunity to end fighting in Ethiopia, they said on Monday, as the United Nations warned that the risk of Ethiopia spiralling into a widening civil war is "only too real."