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Police have revealed more details about why bomb squad experts were called in to carry out a controlled explosion on a beach.

They said the alarm was raised because of the contents of three bottles seized as part of an ongoing investigation.

The bottles were transported from Hartlepool Police Station, in Avenue Road, to Seaton Carew for the explosion to take place.

Cleveland Police added in a statement on Sunday: “Shortly before 2pm on Saturday, 20 April, officers notified Explosive Ordnance Disposal (EOD) of a suspected hazardous substance inside three bottles located at Hartlepool Police Station.

Bombe disposal experts carried out a controlled explosion on Seaton Carew beach. Picture by FRANK REID.

“The bottles had been seized as evidence as part of an ongoing investigation.

“While there was no requirement for the building to be evacuated, as a precaution, EOD attended the police station to collect the bottles and safely transported them to the beach at Seaton Carew where a controlled explosion took place.”

The force previously thanked everyone for their “patience and co-operation while the substance was safely disposed of”.

Bomb disposal experts carry out controlled explosion of 'suspected hazardous substance' on Hartlepool beach

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