FRANCE: Air France US to Paris Flight Diverted After False Threat

A flight from San Francisco headed for Paris has been diverted.

Air France said an anonymous threat which led it to divert to Montreal its flight AF083 between San Francisco and Paris on Tuesday was a false alert.

"After a full security search, false alert confirmed by local authorities following an anonymous threat," the carrier said in its Twitter account.

The plane had taken off for Paris again.

Security officials worldwide have been on high alert since Islamic State militants claimed responsibility for attacks in Paris last month that killed 130 people.

Flight AF083 from San Francisco to the main Paris airport of Charles de Gaulle touched down just before midnight local time on Tuesday (Tuesday afternoon NZT) in Montreal, the firm said.

"Local authorities will begin checking the plane, passengers and baggage," Air France said.

"An investigation will be carried out by the authorities to identify the origin of the alert," added the airline, which apologised for the "inconvenience and delay" to its passengers.