The diversions did not go down very well with the passengers on board or the chairman of Pakistan International Airlines.
In a statement, Muhammad Azam Saigol said: ‘I am of the view that passengers need to strictly adhere to and carefully read the warning signs in the toilets!’
PIA Pakistan tweeted: ‘Today’s Toronto-Lahone flight has been diverted to Manchester as its toilets got choked, due to something solid thrown by passengers.’
‘As all toilets are connected with a common drain line, the rest of the toilets were choked.’
‘Keeping in view the convenience of passengers, the flight has been diverted to Manchester where the toilets will be serviced before the flight continues its onward journey. Inconvenience to passengers is regretted.’
The plane landed in Manchester and it took three hours to resolve the issue before it could take off again.
Passengers eventually reached Lahore with a delay of five hours.