Representatives from Brittany Ferries are meeting French union officials to try to resolve a dispute which has left 500 Plymouth-bound passengers stranded.
The Armorique ferry was to due leave Roscoff yesterday afternoon, but the sailing was cancelled because of industrial action.
The company has also had to cancel this morning's return ferry from Plymouth to Roscoff. The French workers are protesting over changes to working patterns and staff benefits, introduced by the company in a bid to cut costs.
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Cold and frost this evening
Dry and cold today and much colder with frost overnight
It comes after an early morning evacuation of passengers from the departure lounge after a smoke alarm was set off.