Refugees who fled the conflict in Ethiopia's Tigray region carry their belongings off a boat after arriving on the banks of the Tekeze River on the Sudan-Ethiopia border, in Hamdayet, eastern Sudan. (AP Photo/Nariman El-Mofty)
Refugees who fled the conflict in Ethiopia's Tigray region wait to get cooked rice served by Sudanese local volunteers at Um Rakuba refugee camp in Qadarif, eastern Sudan. (AP Photo/Nariman El-Mofty)
Refugees who fled the conflict in Ethiopia's Tigray region ride a bus going to the Village 8 temporary shelter, near the Sudan-Ethiopia border, in Hamdayet, eastern Sudan. (AP Photo/Nariman El-Mofty)
Tigrayan refugees arrive on the banks of the Tekeze River on the Sudan-Ethiopia border, in Hamdayet, eastern Sudan. (AP Photo/Nariman El-Mofty)
A worker for Muslim Aid organises Tigrayan refugees waiting in line to receive cooked rice and lentils, at Umm Rakouba refugee camp in Qadarif. (AP Photo/Nariman El-Mofty)
An Ethiopian woman who fled the ongoing fighting in Tigray region, nurses her newly-born children inside a clinic in the Hamdayat camp on the Sudan-Ethiopia border, in eastern Kassala state, Sudan. (REUTERS/Mohamed Nureldin Abdallah/File Photo)
Ethiopians who fled the ongoing fighting in Tigray region gather to receive relief aid at the Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan. (REUTERS/Mohamed Nureldin Abdallah)
An Ethiopian woman who fled the ongoing fighting in Tigray region holds her refugee registration document as she waits to receive relief aid at the Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan. (REUTERS/Mohamed Nureldin Abdallah)