The army and police have been called to deal with a possible explosive device.
Officers are currently near Fancy’s Farm on Portland.
The device was located nearby by members of the public.
Cordons are currently in place and the farm has had to close.
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A spokesman for Dorset Police said officers are working with the MOD to 'resolve this as soon as possible.'
Members of the public are urged to avoid the area until further notice.
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