Timeline: Key events in a year of war in northern Ethiopia

FILE PHOTO: An Ethiopian boy who fled the ongoing fighting in Tigray region, gestures in the Hamdayet village, in eastern Kassala state, Sudan December 15, 2020. REUTERS/Mohamed Nureldin Abdallah

NAIROBI (Reuters) - A year of war in northern Ethiopia has killed thousands of civilians, plunged around 400,000 into famine and forced more than 2.5 million people to flee their homes. Here are some of the main events in the conflict.

Nov. 4, 2020 - Ethiopian Prime Minister Abiy Ahmed sends troops into the northern region of Tigray, accusing its governing party, the Tigray People's Liberation Front (TPLF), of mounting surprise attacks against military bases in the area.