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 keeper killed by a tiger at a zoo in Cambridgeshire has been named in reports and described as the "shining light" of her workplace.
The two women charged with murdering the half-brother of North Korean dictator Kim Jong-un have appeared in court in Malaysia.
More than one million families will benefit from Labour's plan to overhaul "patchy" childcare provision, the party has said.