Sudanese women carry national flags during a demonstration to commemorate the first anniversary of a deadly crackdown carried out by security forces on protesters during a sit-in outside the army headquarters, in Khartoum, Sudan, Saturday, May 23, 2020. (AP Photo/ Marwan Ali)

FILE - In this Aug. 21, 2019, file photo, Sudan's Prime Minister Abdalla Hamdok speaks at a news conference in Khartoum, Sudan. A statement from Hamdok’s office says deadly tribal clashes between Arabs and non-Arabs in the country's South Darfur province that erupted on Tuesday, May 5, 2020, and continued into Wednesday have since subsided. (AP Photo, File)

Sudanese protesters carry national flags and burn tyres during a demonstration to commemorate the first anniversary of a deadly crackdown carried out by security forces on protesters during a sit-in outside the army headquarters, in Khartoum, Sudan, Saturday, May 23, 2020. (AP Photo/ Marwan Ali)

A Sudanese woman carries a national flag during a demonstration to commemorate the first anniversary of a deadly crackdown carried out by security forces on protesters during a sit-in outside the army headquarters, in Khartoum, Sudan, Saturday, May 23, 2020. (AP Photo/ Marwan Ali)

Sudanese men burn tyres during a demonstration to commemorate the first anniversary of a deadly crackdown carried out by security forces on protesters during a sit-in outside the army headquarters, in Khartoum, Sudan, Saturday, May 23, 2020. (AP Photo/ Marwan Ali)

Sudanese protesters carry national flags and burn tyres during a demonstration to commemorate the first anniversary of a deadly crackdown carried out by security forces on protesters during a sit-in outside the army headquarters, in Khartoum, Sudan, Saturday, May 23, 2020. (AP Photo/ Marwan Ali)