By Ray Massey, Transport Editor PUBLISHED: 04:51 EST, 12 June 2013 | UPDATED: 17:58 EST, 12 June 2013 A strike by militant French air traffic controllers has left thousands of British tourists and business travellers stranded across Europe. Most major French cities were affected and the knock-on effect is likely to continue into today. Hundreds of services to and from British airports heading for destinations such as Paris, Lyon, Nice,  Toulouse and Marseilles were cancelled yesterday. Nice airport is one of those affected by the air traffic controller's strike that has left thousands of Brits stranded Flights that cross French airspace were also cancelled or delayed, including holiday destinations in Spain and Portugal.
@highlight
French unions striking over fears of job losses and poor working conditions
@highlight
All airlines flying to France have been told to scrap half of their flights
using @placeholder airports to cancel 50 per cent of their services.