UFO sightings and reports peaked last week when a mysterious chain of moving lights cut across the night skies over parts of the UK, prompting some to speculate aliens had finally visited Earth.

Then on the weekend, more eyewitnesses reported the lights over South Yorkshire and Oxfordshire in England.

One Twitter user wrote: “Just saw some thought provoking lights in the sky #UFO anyone else seen creepy stuff? I kid you not.”

Another person wrote: “Over Sheffield? I just seen some strange lights.”

Another Twitter user counted at least 20 fast-moving lights dashing through the skies above Bicester, Oxfordshire.

The person wrote: “A very (above aeroplanes I saw) high trail of lights, 20 or so travelling in single file?

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