Thousands of travellers are being forced to get their passports checked manually, resulting in long queues.
The problems come as millions are expected to take to the roads and public transport this weekend.
The issues are expected to last until further notice.
LONDON DAILY ARCHIVE
Airport Chaos as Technical Issues Plague Border Systems
There are delays at airports, including Heathrow, Gatwick, and Manchester, due to technical issues with border systems.
27 May 2023 · 22:46 UTC
