Bonfire night has been and gone – so people in the north-east were left confused at the weekend when loud bangs rang out across the sky throughout Saturday night.
The mysterious noises were described as sounding like “distant fireworks”, which apparently erupted between 9pm and 11pm.
Others said the bangs sounded like high-calibre gunfire, similar to ship or jet cannons.
It was suggested they could have been sonic booms from RAF jets flying in the area.
But the Ministry of Defence said it had no record of any planes being scrambled at that time.
Another theory was that the noises were caused by space weather, electrical or severe thunderstorms.
The Met Office, however, said there had been no reports of that kind of weather.
Mysterious bangs heard from Aberdeen to Devon – did you hear them?