TENS of thousands of festive travellers are facing the prospect of holiday misery after unions announced a series of strikes at Scotland’s three biggest airports in the days running up to Christmas. Edinburgh, Glasgow and Aberdeen are among 18 UK airports targeted by the Unite union as more than 1500 check-in staff, baggage handlers and cargo crew stage a 48-hour walk-out in the runup the December 25. Members of Unite employed by Swissport will walk out on December 23 and 24 at other airports including Belfast, Birmingham, Bristol, Bournemouth, Cardiff, Doncaster, East Midlands, Gatwick, Heathrow, Leeds/ Bradford, Luton, Manchester, Newcastle, Southampton and Stansted.