A strike by French train workers will have a serious impact on services in France and could impact some Swiss services.
The strike started last night and will last across the weekend.
Several TGV services from Geneva and Lausanne have been cancelled.
But the French rail company, the SNCF, says a priority will be given to the services heading to the ski resorts in the Alps.
Anyone planning a trip on French trains this weekend should check with the SNCF before leaving.
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