A strike by French air traffic controllers is disrupting travel. About 40% of flights at Paris airports are canceled, along with half of flights in Nice and 30% of flights in Marseille, Lyon and some other cities.

A walkout by air traffic controllers on 3 and 4 July could mean chaos at many French airports and further afield. View on euronews

The French civil aviation agency said on Tuesday it had asked airlines to reduce flights at Paris' airports by 25% on July 3 following notification of a strike by air traffic controllers.