Eritrean troops deploy in Ethiopia's Tigray region as internal conflict threatens regional war

Eritrean troops have crossed into Ethiopia's northern Tigray region, deploying around Adigrat and moving south. This deployment follows the resumption of conflict on September 23, 2026, between Ethiopian federal forces and the Tigray People's Liberation Front. Tensions have escalated after Ethiopia and Eritrea severed diplomatic ties, driven by disputes over Prime Minister Abiy Ahmed's ambitions for Red Sea port access, raising fears of a wider regional war.

Eritrean troops enter Tigray

• ▪Multiple sources and witnesses reported that Eritrean troops crossed the border into northern Ethiopia's Tigray region, deploying around Adigrat and moving south on Wednesday, October 7, 2026
• ▪Conflict monitor ACLED reported that Eritrean troops crossed the border into Ethiopia at Zelambesa on Wednesday, October 7, 2026
• ▪Tigray Peace Force commander Gebreigziabher Beyene stated on Wednesday, October 7, 2026, that the Eritrean army entered Tigray in uniform with heavy weaponry and was being targeted by drone strikes

Accusations and denials of involvement

• ▪Senior Ethiopian government official Abraham Belay accused the Eritrean army of participating in the Tigray conflict that resumed on September 23, 2026, with its full capacity and logistics
• ▪Eritrean Information Minister Yemane Meskel stated on Wednesday, October 7, 2026, that Ethiopia's government was creating a false narrative of self-defense to justify its war of aggression in Tigray
• ▪Ethiopia accused Eritrea, Egypt, and Sudan of backing the armed alliance formed in September 2026, led by the Tigray People's Liberation Front, which all three countries denied

Recent military developments in Tigray

• ▪Drone strikes hit hotels in the town of Adwa over the weekend of October 3-4, 2026, killing several civilians and wounding four others
• ▪Ethiopian national army soldiers and allied fighters entered the town of Wukro on Wednesday, October 7, 2026, following heavy weapons clashes nearby
• ▪Fighting broke out between the Tigray People's Liberation Front and Ethiopian federal forces on September 23, 2026, ending a 2022 peace deal
• ▪Ethiopian federal forces and allied militias captured Tigray's regional capital, Mekelle, over the weekend of October 3-4, 2026, after the Tigray People's Liberation Front withdrew

Dispute over Red Sea access

• ▪Ethiopian Prime Minister Abiy Ahmed was sworn in for another five-year term on Monday, October 5, 2026, insisting that his landlocked country must have access to the Red Sea
• ▪Relations between Ethiopia and Eritrea deteriorated largely due to Ethiopian Prime Minister Abiy Ahmed's ambition to secure direct access to a Red Sea port

Severing of diplomatic ties

• ▪Ethiopia and Eritrea severed all diplomatic ties during the week of October 1, 2026, following months of escalating tensions
• ▪The diplomatic split between Ethiopia and Eritrea occurred after Ethiopia announced it would close its embassy in Asmara and expelled 10 Eritrean diplomats, prompting Eritrea to reciprocate

Historical relations between Ethiopia and Eritrea

• ▪Eritrea was a key ally of Ethiopia during the 2020-2022 civil war in Tigray, fighting against the Tigray People's Liberation Front in a conflict that caused widespread famine
• ▪Eritrea gained independence from Ethiopia in 1993, and the two nations subsequently fought a brutal border war from 1998 to 2000

Debatable claims

• ▪Ethiopia should halt its military offensive in Tigray to prevent a regional war
• ▪Ethiopia's ambition for Red Sea access is the primary driver of its conflict with Eritrea
• ▪Eritrea's military deployment in Tigray is a justified pre-emptive security measure