Air traffic controllers across Europe plan to strike next week.
Passengers due to fly anywhere on Thursday 10th October are being warned that it is highly likely their flight will be delayed or cancelled.
Workers in Germany, France, Spain, Portugal, Albania, Croatia, Malta, Cyprus, Ireland, Italy, Macedonia, Poland, Bulgaria, Romania, Slovenia and Switzerland will be joining the 'action day.'
They are protesting against plans to streamline European air traffic control, which they say will threaten flight safety.
Passengers are being urged to contact their travel agent or airline.
Hundreds of refuse collectors have marched through the streets of Brighton and Hove this afternoon on the second day of a planned week long strike.
The industrial action follows a dispute with the council over changes to its allowances system that could see some workers lose thousands of pounds in pay. The interviewee in Andy Dickenson's report is Carey Duckhouse from the Brighton Sea Life Centre.
Workers in Surrey and Hampshire are among up to 250,000 members of the Public and Commercial Services union (PCS) who are going on strike across the country on Budget Day.
Civil servants will stage a 24-hour strike on Budget day today, in a row over pay, pensions and working conditions.
It is thought up to 250,000 members of the Public and Commercial Services union (PCS) will join the walkout, which will hit job centres, border control at airports, tax offices and courts.
A half day of action has also been called on April 5th, as part of a three month long campaign of action.
Picket lines will be placed outside government offices, museums, galleries and the Houses of Parliament.
Civil servants have planned a second walkout in a row over pay, following their Budget day strike.
Almost 250,000 members who work in government departments and its related bodies will hold a half-day walkout on April 5, the Public and Commercial Services union said.
A 24-hour stoppage has been called by the union on Wednesday after accusing the Government of refusing to negotiate over cuts.
A three-month programme of industrial action is also being planned, along with a fresh campaign against tax avoidance and evasion.
Disabled workers will stage the first of two 24-hour strikes today in protest at "hard-hearted" plans to close their factories.
Thousands of staff at 54 Remploy factories, including one in Southampton, will walk out as part of a union campaign to keep them open.
Half the factories face closure by the end of the year, while others face an uncertain future or closure next year under Government plans.