Africa — 2026-05-22

Regional War Risk Grows Between Sudan Ethiopia and Eritrea

BLUFDirect SAF-Ethiopian combat remains unlikely before late November 2026, but Eritrea's training installations and arms corridor inside Sudan make a Tigray relapse the likeliest trigger for uncontainable regional escalation.

On May 4, drones struck Khartoum's international airport and military installations; the Sudan Armed Forces accused Ethiopia and the UAE, both denied responsibility, and the SAF recalled its ambassador to Addis Ababa 1. Bloomberg reported on May 7 that Sudan had reinforced positions near the Ethiopian border, and The New Arab reported a TPLF faction expelled a pro-government rival from Tigray province on May 3 12. Horn Review reported Eritrea has been operating six training installations inside Sudan, functioning as an arms transit corridor for the SAF, and coordinating with Egypt in support of al-Burhan's forces 3. On May 9, SAF leader Abdel Fattah al-Burhan dispatched Vice President Malik Agar to meet Prime Minister Abiy Ahmad in Djibouti 1.

Analysis
Direct military engagement between the SAF and Ethiopian forces is unlikely before the end of November 2026. High confidence rests on documented internal operational burdens on both governments and the May 9 Djibouti summit, where both leaderships chose dialogue over escalation. The proximate danger runs through Eritrea, which, per corroborating Bloomberg and Horn Review reporting, operates six training installations inside Sudan, serves as an arms transit corridor for the SAF, and coordinates with Egypt against Addis Ababa. A renewed Tigray conflict would mobilize TPLF units already inside Sudan, creating a cross-border cascade neither capital can fully contain. The strike attribution to Ethiopia and the UAE may serve domestic mobilization more than verified intelligence, with the RSF or a third actor as plausible originators. If proxy escalation advances before dry-season conditions favor RSF mobility, AU mediators and US Africa Command face a three-state ceasefire problem rather than a monitoring one.

4 sources

Is a regional war looming between Sudan, Ethiopia, and Eritrea? - The New Arab
Horn of Africa Tensions Flare as Sudan Adds Forces Near Ethiopia - Bloomberg
Isaias Afwerki, Sudan, and the Architecture of a Regional War - Horn Review
Sudan's War and the Imperative of Ethiopia's Re-engagement - Horn Review