Stansted Airport said passengers were being taken off the Pakistan International Airlines plane.
A spokesperson said the passengers "will be taken to a reception centre on the airport where police may wish to interview them about what they have seen".
"At some point police and the airline will arrange for their onward transportation to Manchester", they added.
More top news
After the sacking of Hilary Benn and the rolling resignations, Jeremy Corbyn met his closest aides in an office on the Parliamentary estate.
Fine for many tomorrow.
A rollercoaster has come off the rails at a theme park in Scotland, leaving eight children and two adults in hospital.