Eurostar services between London and Paris are facing delays after a bomb alert at Calais-Frethun station in northern France halted rail traffic through the area.
The incident is affecting trains to and from London, with the international high-speed rail operator confirming that some services are impacted.
French authorities halt traffic
A Eurostar statement said: "At the request of the French authorities, trains are currently unable to pass through Calais-Frethun station."
The statement added: "This is causing delays to some services to and from London."
Impact on London services
The disruption is affecting rail traffic at the station, including trains running between London and Paris. No further details have been provided about the nature of the alert or how long the disruption is expected to last.
Passengers travelling on affected routes have been advised that delays are ongoing while the situation is resolved.