Mysterious lights have been spotted in the skies above south west Hertfordshire.

There have been several reports of "silent balls of fire" being spotted in the sky above Watford and Bushey on Saturday night.

Marks Sears says he saw about 13 lights in the shape of a triangle in the sky above Bushey around 11.30pm on Saturday.

There have been similar unusual sightings over St Albans and Hemel Hempstead.

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