The foiled UK terrorist plot has wreaked havoc with air travel in the country:

All short-haul inbound flights to Heathrow airport have been cancelled. Some flights in and out of Gatwick have been suspended.

Security has been increased at Channel ports and the Eurotunnel terminal.

German carrier Lufthansa has cancelled flights to Heathrow and the Spanish airline Iberia has stopped UK flights.

British Airways has announced it has cancelled all its short-haul flights to and from Heathrow for the rest of Thursday.

The airline added that it was also cancelling some domestic and short haul services in and out of Gatwick airport during the remainder of the day.