The African Union says it is deeply concerned by “the escalating military tension” between Ethiopia and Sudan after seven Sudanese soldiers and a civilian were killed in a border dispute. The statement on Wednesday by the chairman of the continent-wide organisation urged both countries to cease armed hostilities and hold talks. The incident happened in the disputed area of Al-Fashaqa, which is known to Ethiopians as Alfashga. Sudan’s foreign ministry reported the eight victims had been taken into Ethiopia after the soldiers were held captive in an area inside Sudan on 22 June. A separate state…