A no-fly zone imposed by the Civil Aviation Authority sees Heathrow, Gatwick and London City airports shut from 01:00 BST until at least 07:00 BST.

Flights are also grounded in parts of Scotland and Northern Ireland.

Manchester, Liverpool and Leeds Bradford airports have re-opened after restrictions in the north were lifted.

Birmingham, Norwich and East Midlands airports are also open again, after suspending flights on May 16.

Prestwick Airport will also no longer be within the no-fly zone from 01:00 BST, although a spokeswoman said it would not be receiving any flights for another 12 hours.

The Department of Transport has warned restrictions are likely across different parts of the UK until at least Tuesday.

Travellers are being advised to check with their airline before leaving home.