“They said rules stipulate planes cannot take off with mice onboard and that another flight would be laid on. There was general disbelief."
A flight from London Heathrow to San Francisco was cancelled on Wednesday after a mouse was spotted on the plane.
Passengers were waiting to take off when the cancellation was announced.
Carly, who was on the flight, told the BBC the aircrew announced, "a rather unusual occurrence has occurred".
“They said rules stipulate planes cannot take off with mice onboard and that another flight would be laid on. There was general disbelief."
Passengers had to wait several hours for a gate to be found before the aircraft could take off.
Some of the flight's passengers have tweeted their reactions.
One man wrote: "Just had my flight to SFO cancelled because of a mouse on board the plane. Could it not get a visa?? #britishairways", while @midlandsound wrote, "I'm going to sell this to the movies. It can be the slightly more pedestrian prequel to snakes on a plane. Maybe this is what lured them on?"