Hinkley Point Nuclear Station

File photo of Hinkley Point nuclear power station.

A team of Royal Navy specialists has blown up what's believed to be a large second world war bomb off the coast of West Somerset this afternoon.

It was found by a civilian survey boat working on the Hinkley Point nuclear power station.

A kilometre wide exclusion zone has been set up as a precaution.

It is believed to be a 500lb air dropped bomb although this is still to be confirmed.

The explosion of the device, which was in 8m of water, was seen from the shore.

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