A church is seen in the outskirts of Hawzen town in North central Tigray, Ethiopia, July 11, 2021. Residents said many Tigrayan fighters had been buried in local churches similar to this one in the town of Hawzen. Reuters did not see the graves. REUTERS/Giulia Paravicini

Villagers return from a market to Yechila town in south central Tigray walking past scores of burned vehicles, in Tigray, Ethiopia, July 10, 2021. REUTERS/Giulia Paravicini

A soldier with the Tigrayan forces reads a book as he guards the headquarters of the Tigrai Mass Media Agency in Mekelle, the capital of Tigray region, Ethiopia, July 7, 2021. REUTERS/Giulia Paravicini

Villagers return from a market to Yechila town in south central Tigray walking past scores of burned vehicles, in Tigray, Ethiopia, July 10, 2021. REUTERS/Giulia Paravicini

The abandoned wreckage of a vehicle used by the Spanish branch of Medecins Sans Frontieres (MSF) on the road to Sheweate Hugum in south-central Tigray, Ethiopia, July 10, 2021. The bodies of three aid workers were found nearby on June 25, 2021. REUTERS/Giulia Paravicini

Captive Ethiopian army soldiers get their water ration in a prison in the outskirts of Mekelle, the capital of Tigray region, Ethiopia, July 7, 2021. REUTERS/Giulia Paravicini

Tiebei Negash covers her mouth and nose with a shawl to ward off the smell of dead bodies in her village of Sheweate Hugum in south-central Tigray, Ethiopia, July 10, 2021. REUTERS/Giulia Paravicini

Cows eat grass two farmers say was burned by unidentified soldiers in the outskirts of the town of Hawzen, in northern Tigray, Ethiopia, July 11, 2021. REUTERS/Giulia Paravicini

Captured Ethiopian government soldiers are seen held in a prison in the outskirts of Mekelle, the capital of Tigray region, Ethiopia, July 7, 2021. REUTERS/Giulia Paravicini

Abandoned ammunition boxes lie on the ground following a battle between the Ethiopian military and Tigray forces along the road between the village of Sheweate Hugum and Yechila town in south-central Tigray, Ethiopia, July 10, 2021. REUTERS/Giulia Paravicini

Debretsion Gebremichael, leader of the Tigray People's Liberation Front (TPLF) party, in Mekelle, the capital of Tigray region, Ethiopia, July 7, 2021. REUTERS/Stringer

A machine gun mounted in a burnt-out truck on the road to Abiy Addi town in Ethiopia, July 10, 2021. The area saw fierce fighting between Ethiopia's military and Tigrayan forces. REUTERS/Giulia Paravicini

Colonel Hussein Mohamed, a captured Ethiopian army officer is seen at a jail in the outskirts of Mekelle, Tigray, July 7, 2021. REUTERS/Giulia Paravicini

Stones are arranged on a grave where a piece of paper says a soldier from Ethiopia's military is buried in the outskirts of Yechila town in south-central Tigray, Ethiopia, July 10, 2021. REUTERS/Giulia Paravicini

A man waves a Tigray flag in the village of Nebelet, northern Tigray, Ethiopia, July 11, 2021. REUTERS/Giulia Paravicini