Poachers have killed more than 200 elephants in Cameroon in just six weeks, in a "massacre" fuelled by Asian demand for ivory.

Cameroon and Chad have signed an accord to ramp up efforts to fight poachers who kill hundreds of elephants a year in a protected park on their common border, ministers from both nations said.

Cameroon is considering harnessing power from its ocean currents to help fill its chronic electricity gap.

The government of the central African state bordering the Atlantic has hired MRS Power Cameroon, a subsidiary of MRS Holding Ltd, to conduct a tidal power feasibility study, the government-owned Cameroon Tribune reported on Monday.

"This project comes at a time Cameroon is suffering a h