Amadou Koufa appears in video three months after French armed forces minister declared him ‘neutralised’.
Relatives of more than 40 illegal workers say there is little chance of saving them.
Zimbabwe erupted in violent protest after the government doubled the price of petrol.
British leader Theresa May suffered a huge blow on Thursday when a series of ministers including her Brexit secretary quit as she tried to sell her proposed EU withdrawal agreement to a divided parliament.
The Prince of Wales has acknowledged Britain's role in the transatlantic slave trade.
On Thursday, Amal’s family said she had died at a ragged refugee camp four miles from the hospital.
The bio-brick created by students in Cape Town mixes urine with sand and bacteria - "a world first"
The president says he will not run for office again but the political crisis remains unresolved.