Neighbouring countries say coastal states must govern Red Sea as fighting escalates in northern Ethiopia.
Military, pro-government forces recapture airport in Tigray's capital as fighting also rages in Amhara and Afar regions.
Ethiopia accuses Sudan and Egypt of backing armed groups, deepening tensions amid internal unrest.
The neighbouring countries blame one another for starting war amid heightened tensions and fears of a wider conflict.
Mekelle, Ethiopia — Ethiopian federal forces have reportedly advanced more than 150 kilometres into the Tigray region and are moving closer to Mekelle, according to sources cited by Al Jazeera, amid ...