Army bomb disposal experts have been called to deal with an unexploded device uncovered by workmen at the back of the Three Swans public house in the Water Hill Lane area of Selby.
The device was reported to North Yorkshire Police who have set up a 100 metre cordon around the area as a precaution. The roads have been closed around the cordon.
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ITV Calendar travelled to the refugee and migrant camps of northern France, and found a resident who used to live in Yorkshire.
Tuesday morning weather: Bright spells. Mainly dry.
Weather tonight: Showery outbreaks of rain.