Incredible footage has shown a disc-shaped UFOsoaring past a police helicopter over the UK.

Snippets of the video were first shared online by the National Police Air Service (NPAS) back in 2016 but the full footage has now been released thanks to a Freedom of Information (FOI) request.

The FLIR footage bears a remarkable similarity to sightings released by the US Navy and being investigated by the Pentagon.

It shows a black circular object seemingly hovering in the sky at night near St Athan, Wales, on September 17, 2016.

It appears to have a centre to it, with a black ring surrounding the so-called craft.

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