'I'm not joking, and don't call me Shirley.'

A jet carrying 180 British tourists was grounded when its pilot announced: 'Do not fly with this plane, it is not safe.'

'The holidaymakers were about to take off back to Bristol Airport from Antalya, Turkey, when a strange sound came from the Airbus A321's engines.

Then the captain announced: 'I am resigning from my job. Do not fly with this plane. It is not safe. Do not fly with Onur Air.'

The unnamed pilot walked off the aircraft, leaving the passengers in 38C heat without air conditioning.

They were eventually told to leave the aircraft, retrieve their luggage and go back to the terminal, where an alternative flight was arranged. Passenger Jade Barrett, said: 'The pilot made his announcement and then walked off the plane. Some people started laughing nervously but others were crying and almost screaming.'