Detectives in Whitby are checking missing persons lists following the discovery of a body at a house in the town.
Officers are treating the death on Broomfield Terrace as 'unexplained' and have told Calendar they are looking at the possibility that the remains could belong to a known missing person as part of their routine inquiries.
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The man entered the Yousaf Newsagent, in Fraser Street, Burmantofts, and demanded cash on Sunday at around 5.30pm.
The pony, which is thought to be two to three years old, was discovered off Scawby Road in Broughton Vale on Saturday at around 6pm.
ISG says it is pulling out because of the increasing costs and delays caused by a legal challenge