The UK Daily Mail is reporting that passengers arriving in to Terminal 2 at Heathrow yesterday were being made to wait for 3 hours due to less than 10 immigration desks being staffed. In addition passengers complained that they were kept waiting next to passengers from Red List countries.
You can read the full news article here.
The previous policy of fast tracking parents with children has been suspended.
With large numbers of Brits being allowed to leave the England, Scotland and Wales for the first time, the queues on their return will add to these problems.