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Sounds of an "explosion" overnight have left people baffled and even led to the police being called.

Concerned residents described hearing a "massive bang" at around 8.45pm on Thursday night in Buckley , with others claiming they also heard it in Flint.

Some have likened the noise to a bomb and claimed to have smelt smoke, while others said it sounded like a "gunshot".

People on the Buckley Residents Group on Facebook said some came out of their homes after hearing the noise to see what it was.

Kerri Carswell wrote: "It sounded like a bomb outside mine and stunk of smoke."

Therese Bartley said: "I heard it too sounded like gunshot."

Lynda Williams posted: "I was walking down Rose Lane...heard massive bang like a gunshot. It disturbed a load of birds in the trees."

Another resident suggested the noise could have been caused by a car backfiring.

Darren Howatson said: "Was it a exhaust of a car backfiring? Few people have got their cars to do that now. It can sound like a shotgun, my old car did it."

One woman living in Nant Mawr Crescent in Buckley was so concerned about the noise that she called police.

A North Wales Police spokesman said: "We received a call from the Nant Mawr Crescent area at 9.46pm last night reporting that they had heard a bang in the previous hour."

The source of the noise could not be pinpointed and no police action was needed, added the spokesman.

North Wales Fire and Rescue Service and Scottish Power also told North Wales Live that they had received no reports of problems in the area.