Police in Ethiopia are investigating the death of engineer Simegnew Bekele, the man leading the Grand Renaissance Dam project, who was found in a car in the main square of the capital, Addis Ababa.

The cause of death is not yet known.

The plan to build a hydroelectric dam on the Blue Nile in northern Ethiopia has been a source of controversy with Egypt, which has said that it will have an impact on its use of the river.