Europe faces more travel chaos as snow turns into ice
Large parts of northern France have been placed on ice alert, with officials describing the situation as "very complicated".
Frankfurt airport had to cancel more flights on Wednesday, after hundreds of passengers remained stranded overnight.
Meanwhile the Eurostar high-speed train has resumed its service between London, Paris and Brussels but with delays.
The cross-Channel train had been forced to suspend all travel on Tuesday after a severe snowstorm struck France, Belgium, Germany and the UK.
High-speed trains between Paris and other French regions were also restored.
France's SNCF rail company put up more than stranded 1,000 travellers in hotel rooms and sleeping carriages overnight, it said.
"For 24 hours, 10,000 employees have been working to remove snow from the rail lines and re-establish service," SNCF said in a statement.
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