Beam me up, sporty! UFO spotted among fireworks at Olympics opening ceremony

One theory is that the 'spaceship', whose presence was reported by Examiner.com, was a blimp used by a news channel to gather footage.

But while NBC Olympics - a division of NBC Sports - has picked Goodyear blimps for all of its 2012 Olympics aerial coverage, the object does not look like one of the floating airships.

Some commentators on YouTube believe it is actually a helicopter .... http://www.dailymail.co.uk