How Eritrea's deployment could widen the Tigray conflict
On Oct. 7, multiple sources told AFP that Eritrean troops had crossed into Ethiopia's Tigray region.
Multiple sources told AFP that Eritrean troops had crossed into Tigray, taken positions around Adigrat and were pushing south. [13] Fighting between the Tigray People's Liberation Front (TPLF) and Ethiopian federal forces resumed on September 23, and the Ethiopian army entered Mekelle at the weeken…

Multiple sources told AFP that Eritrean troops had crossed into Tigray, taken positions around Adigrat and were pushing south. [13] Fighting between the Tigray People's Liberation Front (TPLF) and Ethiopian federal forces resumed on September 23, and the Ethiopian army entered Mekelle at the weekend after the rebels withdrew. [13]
Why it matters: The reported intervention adds a neighboring state's forces to an internal conflict amid a breakdown in Ethiopia-Eritrea relations. Eritrea fears Ethiopia could seek Red Sea access by force, making border security and sea-access disputes part of the same crisis. [13]
Key insights: Eritrea fought alongside Ethiopia against the TPLF during the 2020-2022 civil war, but relations subsequently deteriorated over Ethiopia's claims to sea access. [13] | ACLED assessed that Eritrean forces entered Tigray to prevent Ethiopian government and allied forces from reaching the border and potentially fighting inside Eritrea. [13] | Diplomatic channels have also narrowed: Ethiopia expelled 10 Eritrean diplomats and closed its embassy in Asmara, while Eritrea said it would sever all diplomatic ties. [13]
Cheatsheet facts: What changed: Eritrean troops reportedly crossed into Tigray and deployed near Adigrat, about 115 kilometres north of Mekelle. [13] | Why now: Ethiopian forces advanced after fighting resumed on September 23; Eritrea fears the conflict could reach its territory. [13] | Watch next: Track verified troop positions around Adigrat and the border, alongside changes to diplomatic ties and travel warnings. [13]