Passport warning for red UK travel holders - full list of countries affected
![Passport warning for red UK travel holders - full list of countries affected](https://i2-prod.mirror.co.uk/incoming/article33194601.ece/ALTERNATES/s615/0_Traveler-Handing-Passport-to-Ticket-Agent.jpg)
If you're planning a holiday abroad this summer and you're using an old red passport, it's crucial to check its expiry date before you fly due to strict entry requirements in other countries