Brodie Clark, the head of the UK border force was suspended on 5th of November , along with and two senior immigration officials based on claims that passport checks for non-EU nationals were secretly dropped this summer.
Theresa May home secretary admits she authorised the relaxed rules on immigration checks. However, she says that she "did not sanction lifting of checks against 'warning list' of potential terror suspects and illegal migrants".
The Full documents.
Brodie Clark resigns from the UK Border Agency - 8th November
From the Guardian