Three unidentified green shapes slowly rotate as they hover in the night sky over Wittenberge in Germany.
As two triangular objects approach each other, they appear to be repelled as if opposite ends of a magnate.
Suddenly, and without warning, one of them shoots off to the right at fantastic speed in an explosion of light, after apparently veering too close to its twin, which quickly fades to nothing. All that is left is a green circular dot.
To read more and view the amazing video, click here.