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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Emma brings you Sunday's forecast for South Yorkshire and Lincolnshire
Emma brings you Sunday's forecast for North, South, West Yorkshire
Very windy and mild with some rain at times