The BBC is reporting that a lorry has driven into a crowd in Nice, southern France, leaving at least 84 people dead in what President Francois Hollande called a terror attack.
The lorry is reported to have ploughed through a crowd during Bastille Day celebrations in the southern French city of Nice
At least 84 people are dead, including many children, the interior ministry says.
A further 18 people are in a critical condition in hospital.
The driver of the lorry was shot dead, French media report.
French media reports say he was 31 and known to police.
French President Francois Hollande said the country was "under the threat of Islamic terrorism".