Burkina Faso's government has said the country will observe 48 hours of mourning for the victims of Air Algerie flight AH5017.
The plane crashed on Thursday with 116 on board. The wreckage has now been located in Mali but there are not thought to be any survivors.
More than half of the passengers were French with 51 nationals counted on the manifesto.
French foreign minister Laurent Fabius said: "If this catastrophe is confirmed, it would be a major tragedy that hits our entire nation, and many others."
More top news
A survey showing the number of 14-17 years olds who have tried the products has raised questions about their appeal to young people.
Top UK Advertising boss calls politicians to stop meddling in business and concentrate on creating wealth rather than spending cash
A touching note from a passenger thanking a pilot for getting her home safely in the wake of the Germanwings tragedy has gone viral.