A passenger plane was escorted into Manchester Airport by an RAF fighter jet after its pilot alerted police to a "possible device" on board.
The plane has since landed safely and passengers are being escorted off.
What we know
Police have said man on board the plane has been arrested on suspicion of making a hoax bomb threat.
A Reuters picture showed a man in a green shirt being escorted from the plane.
What is being reported
The plane is understood to be a Qatar Airways Airbus A330, flight number QR023. It left Doha on time at 4.40am local time and landed, according to the FlightRadar24 website, at 12.04pm UK time, 11 minutes ahead of schedule.
A Typhoon fighter jet from RAF Coningsby, Lincolnshire, escorted the passenger jet to Manchester Airport, where armed police and emergency services personnel are at the scene.
Flights to Manchester are now being diverted to Leeds, according to FlightRadar24.
Including the plane carrying the Manchester United squad back from their US preseason tour.
Here's the flight path of QR023 itself.
Passenger Josh Hartley tweeted pictures from inside the plane.
A fellow passenger, whose name on Twitter is Matthew Qox, tweeted a picture of what he claimed was a man being escorted off the plane.
Other pictures taken by people on the ground were posted on social media.