A bomb dating back to the Second World War was detonated yesterday after being discovered in Pickering, police said.
Residents reported that a controlled explosion of the mortar, found at Pickering Showground, could be heard around two miles away.
A spokesman for North Yorkshire Police said a member of the public had alerted them after discovering what they believed to be a suspect device at Pickering Showground at 2.40pm on Wednesday.
“On the advice of military bomb disposal experts (EOD), a 200m police cordon was put in place at the scene,” he said.
Officers said the Second World War mortar was safely detonated by the EOD, just after 9am yesterday.
“The explosion was heard around two miles away,” the police spokesman added.