Military sources tell Reuters at least six Sudanese soldiers were killed in an attack in a disputed border region.
The corpses had gunshot wounds and hands tied behind their backs, a doctor tells the BBC.
It was the latest of several bloody outbursts over the past year in the western region of Benishangul-Gumuz, along the border with Sudan, where ethnic tensions are running high. ......
Families fleeing the conflict in Tigray tell the BBC they have been cut off from relatives.
A border dispute has led to armed clashes, deepening fears about insecurity in the region.
The US president has sided with Egypt in the escalating dispute over a mega dam, analysts say.
Its PM condemns "aggressions" after Donald Trump says Egypt might destroy a controversial Nile dam.
African nations say they would strive to reach a 'successful conclusion' to talks over the $4bn hydropower dam.
The battle with Egypt over who has rights to the waters of the River Nile is played out by musicians.
Concerns grow as Nile River nations fail to reach a deal on how to share the vital waters.