BOMB disposal experts were called yesterday after workmen uncovered First World War ammunition.
The phosphorous bottles, at first believed to be from the Second World War, were dug up in Staithes Lane, Staithes, near Whitby, North Yorkshire, by gas engineers at about 1pm.
A 200-metre cordon was placed around the site while emergency services waited for an Army team to arrive.
Inspector Mike Thompson, of North Yorkshire Police, said the Army attended in the late afternoon and made the site safe.
The ammunition was taken to a disused mine shaft to be detonated at about 9pm. It was expected to burn throughout the night, with the smoke drifting out to sea.
Staithes resident Irene Ward said: "There were nine fire engines there at one point, as well as police cars."
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