SIGHTINGS have been reported throughout the state's southeast of a mysterious light travelling in an erratic fashion across the sky in the early morning hours.
Witnesses reported watching a ball of light move across the sky for up to five minutes at about 5.50am on Saturday.
``It was a perfect spiral of light,'' one Redcliffe witness told The Sunday Mail.
``I realised soon it was not the moon but that it was shooting like a comet from the southern sky and off into the northwest.''
Another Brisbane resident said: ``There was absolutely no sound in a perfectly clear, darkened sky before dawn.''
Police and search and rescue crews confirmed they had received calls from Brisbane, the Gold Coast and Sunshine Coast about the UFO.
The weather bureau said there were no weather conditions which would explain the light. A Defence spokeswoman also said she had no explanation.