![(FILES) In this file photo taken on February 26, 2021 A damaged tank stands on a road north of Mekele, the capital of Tigray on February 26, 2021. The United States voiced concern on March 2, 2021 over the arrests by Ethiopian authorities of four media workers in the conflict-hit northern Tigray region, saying the move was inconsistent with the government's commitments.
/ AFP / EDUARDO SOTERAS](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/AODMOWBDD3Q2USVOPZQKOLERNI.jpg?smart=true&auth=25c1535cb5739a316e8bd8edf2ce538be91978964a0bab364c694f9e030022f6&width=400&height=225)
Ramifications from Ethiopia's political troubles are stretching into the Horn of Africa. AFP
Ramifications from Ethiopia's political troubles are stretching into the Horn of Africa. AFP
An Egypt-Sudan defence pact protects the Nile
Co-operation between the two can lead regional discussions on the future of the vital river