Mystifying footage of a flickering orb claimed to have been filmed over the Thames Estuary has left UFO watchers mystified.
The video filmed by a motorist driving through London in the dark appears to show a small UFO with flashing lights around the outside.
Space99dude, who uploaded the 53-second clip on to YouTube two days ago, said: "I took this from my car but had to go because of where I was parked. Seems too bright for a boat and looked like it was above the water.
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