Dramatic footage has captured a "crazy" and "mesmerising" electrical fire on a pole in Anglesey , with flames and sparks erupting sporadically from the structure as thick plumes of smoke rose into the sky.

The video was filmed by Glyn Davies in Benllech on Friday morning and shared on Facebook , where he described it as "mesmerising" and said he had "never seen anything like it", reports North Wales Live.

Glyn, who operates the Oriel Glyn Davies Gallery on Cei Llechi in Caernarfon and is an avid wild swimmer, posted: "Never seen anything like it!

"I'd just been swimming in a hailstorm and was freezing cold - as I turned on the van heater I saw an explosion in the distance and thought it was a massive firework.

The electrical pole on fire (Image: Glyn Davies)

"But then I saw

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