A Heathrow spokesman said:
There are some longer queues than normal in the terminals, but we have spoken to border force and they are putting on extra staff.Obviously we want to sort the issue out but not risk the integrity of the border controls.
More top news
Frustrated commuters took to Twitter to brand Stratford station the "7th circle of Hell" as football fans caused rush hour congestion.
People have been protesting outside the French Embassy today over burkinis being banned on some beaches in France.
Police have released CCTV footage to try to track down a gang who robbed two teenagers of their bikes and mobile phones.