Infighting between rival factions in the northern Ethiopian region of Tigray has raised the spectre of a fresh war between Ethiopia and neighbouring Eritrea, analysts and residents said Thursday.The region's embattled administrator has appealed for help from the federal government as a rival faction has challenged his power and international embassies called for "urgent dialogue" to de-escalate tensions.

The Horn of Africa trembles again as Ethiopia and Eritrea edge closer to the brink of war, their fragile peace crumbling under the weight of troop buildups, fractured alliances, and whispers of betrayal (via Reuters ).