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.
More top news
Band of rain moving south today. Feeling much colder later and turning unsettled with wintry showers on Sunday and Monday
There will be minute silences at football grounds across the country today to remember 56 fans who died in the Bradford City fire in 1986