Air Algerie says it has lost contact with a plane after it took off from Ouagadougou, the capital of Burkina Faso, Agence France-Presse reports.
More top news
The unexploded bomb was found near the Houses of Parliament and led to disruption in central London overnight.
Southern parts of England and Wales will see sunny skies after a frosty start.
A young child is among three deaths caused by a man who deliberately drove into crowds of people in the city centre of Melbourne.