The hippos had fled to other islands in the White Nile, driven away by one of the few forces that can dislodge a large herd of these fierce beasts - an even larger herd of elephants.

By Nevin, Tom Masina, Lameck Developers say the new hydroelectric project on the Nile is vital for the region's economic growth, but environmentalists insist it will drown a sacred waterfall and accelerate the emptying of Lake Victoria. Tom Nevin reports.

WB approves construction of Uganda's major hydropo