Rosy Reed, 42, who studies archaeology, made the discovery on Sunday, July 19, while walking with a friend in the sand dunes by Eastern Avenue in Caister.

She said: "I am studying archaeology, I was looking forward to adding it to my collection at home.

"But when I picked it up my friend said, that's asbestos."

Ms Reed said the material is thought to be a rock containing asbestos fibres, which can come loose from old fencing or roofing and be........

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