British travellers have been advised to fill up with petrol or diesel in UK before holidaying on the Continent across the bank holiday weekend after strike action in France led to fuel shortages.
UK breakdown recovery firms reported a number of their customers had already become stranded after their tanks ran dry, with Green Flag reporting a 14% rise in fuel-related breakdowns in France.
The dispute over labour reforms has led to blockades in French towns, cities, on motorways and bridges, as well as disruption of the nation's rail and air travel.
The RAC is advising drivers already on the continent and about to cross France not to attempt the journey unless they have enough fuel for the whole trip.
What's the optimum driving speed? Can you rely on jerry cans? Plus real-time information on how low fuel has got at French petrol stations.
Dozens of flights have been cancelled as air traffic controllers join the strike action in France.
The UK government warns people travelling to France that strikers blockading oil refineries have caused some stations to be without petrol.