Ethiopians cross into Sudan fleeing the fighting to settle at the Fashaga camp on the Sudan-Ethiopia border in Kassala state.

An Ethiopian refugee who fled the Tigray region holds a child inside a courtesy bus at the Fashaga camp, as they are transferred to Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan December 13, 2020.

Ethiopian refugees who fled the Tigray region share a meal at the Um-Rakoba camp in Al-Qadarif state, on the border, in Sudan, Dec. 11, 2020.

Ethiopian refugees who fled the Tigray region build a makeshift shelter within the Um-Rakoba camp in Al-Qadarif state, on the border in Sudan, Dec. 11, 2020.

Ethiopian refugees who fled the Tigray region, sit inside a makeshift shelter within the Um-Rakoba camp in Al-Qadarif state, on the border in Sudan, Dec. 11, 2020.

An Ethiopian refugee couple who fled the Tigray region build a makeshift shelter within the Um-Rakoba camp in Al-Qadarif state, on the border in Sudan, Dec. 11, 2020.

An Ethiopian refugee child who fled the Tigray region carries her sibling at the Um-Rakoba camp in Al-Qadarif state, on the border, in Sudan, Dec. 11, 2020.

An Ethiopian refugee who fled the Tigray region holds a cross to her forehead at the Um-Rakoba camp in Al-Qadarif state, on the border in Sudan, Dec. 11, 2020.

Ethiopian refugees who fled the Tigray region gather to receive food at the Um-Rakoba camp in Al-Qadarif state, on the border, in Sudan, Dec. 11, 2020.

Ethiopian refugees who fled the Tigray region queue to receive food at the Um-Rakoba camp in Al-Qadarif state, on the border, in Sudan, Dec. 11, 2020.

Ethiopian refugees who fled the Tigray region queue to receive food aid at the Um-Rakoba camp in Al-Qadarif state, on the border, in Sudan, Dec. 11, 2020.

Ethiopian refugees who fled the Tigray region rest at the Fashaga camp on the Sudan-Ethiopia border, in Kassala state, Sudan, Dec. 13, 2020.

Ethiopian refugees who fled the Tigray region are transferred from Fashaga camp to Um-Rakoba camp on the Sudan-Ethiopia border in Kassala state, Sudan, Dec. 13, 2020.

Sudanese security officers patrol Fashaga camp housing Ethiopian refugees who fled the Tigray region on the Sudan-Ethiopia border in Kassala state, Sudan, Dec. 13, 2020.

Ethiopian refugees who fled the Tigray region board buses at the Fashaga camp as they are transferred to Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan, Dec. 13, 2020.

Ethiopian refugees who fled the Tigray region sit inside a bus at the Fashaga camp as they are transferred to Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan, Dec. 13, 2020.

An Ethiopian refugee who fled the Tigray region sifts grains at the Um-Rakoba camp in Al-Qadarif state, on the border, in Sudan, Dec. 11, 2020.

Ethiopian refugees who fled the Tigray region, register for the bus at the Fashaga camp to be transferred to Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan, Dec. 13, 2020.

Ethiopian refugees who fled the Tigray region board buses at the Fashaga camp as they are transferred to Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan, Dec. 13, 2020.

An Ethiopian pregnant refugee who fled the Tigray region sits inside a bus at the Fashaga camp as she is transferred to Um-Rakoba camp on the Sudan-Ethiopia border, in Kassala state, Sudan, Dec. 13, 2020.