Al Jazeera correspondents reported from close to the front line in Ethiopia's Afar region, where fighting has intensified amid efforts to remove Prime Minister Abiy Ahmed.
Seven armed groups have joined forces against Prime Minister Abiy Ahmed's government, uniting former enemies.
The TPLF says it is in a "full-blown" war with federal forces, days after Tigrayan rebels announced a coalition with six other armed groups seeking to overthrow the government.
Former enemies have united against Prime Minister Abiy Ahmed, but disputes over territory, power and command could pull the coalition apart.
Fighting has escalated after Tigrayan rebels formed a new coalition aimed at overthrowing the government of Prime Minister Abiy Ahmed.
The newly formed alliance brings together armed movements with differing enemies, claims and histories as tensions with the Ethiopian government rise.
Seven armed groups from multiple regions of Ethiopia have formed a coalition aimed at overthrowing Prime Minister Abiy Ahmed.
An Ethiopian rebel leader announces an alliance of seven armed groups aimed at overthrowing Prime Minister Abiy Ahmed's government, raising fears of regional spillover.
A planned presidential system would reshape political power in the country, according to Deutsche Welle.
France 24 reports that armed and political opposition groups have joined forces with the stated aim of removing the prime minister.
The alliance, which includes the Tigray People's Liberation Front and the Amhara Fano movement, says it aims to remove Prime Minister Abiy Ahmed's government.