Sixteen thousand migrants are currently waiting to hear whether they can remain in the UK, according to an independent investigation into UK border controls.
This situation causes anxiety, uncertainty and frustration for those individuals and their family members.
Delays in deciding applications also mean that enforcement action is likely to be more difficult in the event that the case is ultimately refused.
This is because the individual will have been in the UK for a number of years and may have developed a family or private life.
More top news
The record-breaking figure includes 440,000 supplies given to children in the past year.
The soldiers who trained there left their names and messages on the walls of the tunnels.
Researchers were shocked to find the so-called Sussex Declaration hidden away in a record office.