Ethiopia’s government and the party in control of the northern region of Tigray have accused each other of launching offensives, escalating fears of a return to full-scale conflict.

Getachew Reda, a cabinet minister and adviser to Ethiopia’s prime minister, said Tigrayan fighters had taken control of federally administered airports in Tigray and launched offensives in neighbouring Afar and Amhara regions.

Earlier, the Tigrayan authorities said their forces had been forced to enter a “defensive war”. The statement followed reports of drone strikes in Tigray.

The two-year war in Tigray ended in 2022 – but over recent months both sides have been accusing each other of violating a peace deal.

Speaking at the UN General Assembly, Ethiopian President Taye Astike Selassie said his country had shown “immense restraint” in its actions despite “interference in our internal affairs by adversarial elements”, without specifying who those elements were.

He added: “Our message to forces of destruction and mayhem is loud and clear. We urge them to respect the sacred right of the people of the Horn of Africa to live in peace and prosperity.”

It was one of the most deadly conflicts this century – the African Union’s mediator estimated some 600,000 people died as the fighting drove the region to the precipice of famine.

On Sunday, the Tigray People’s Liberation Front (TPLF), the party that runs Tigray, announced an alliance with six other armed groups in Ethiopia to remove the government in Addis Ababa.

“It is rather heartbreaking to learn that, despite efforts by many, including the international community, to avoid yet another round of war in Tigray, the TPLF leadership early this morning launched an all-out offensive against government positions in Afar and Amhara,” Getachew said in a statement shared on social media.

The adviser to Prime Minster Abiy Ahmed previously led Tigray’s interim administration, but he fell out with the TPLF in 2025 and joined the federal government.

Following the seizure of the airports, Ethiopian Airlines has cancelled all flights to Tigray.

Residents of Tigray’s main city of Mekelle told the BBC that local forces had taken over control of the city’s airport from the national police early on Wednesday.

This followed reports of drone strikes in Tigray in recent days.

The chairperson of the Africa Union Commission, Mahmoud Ali Youssouf, has called for an “immediate de-escalation” and for both sides to resume talks.

The US ambassador to Ethiopia condemned the TPLF for making “the poor decision to launch a large-scale offensive”, describing it as an “unwinnable fight”.