A case of H7N7 bird flu has been found at a poultry farm in Goosnargh, resulting in the culling of all the birds.
This has now been replaced by a 10km surveillance zone and an inner 3km protection zone. Some 120,000 colony birds and 50,000 free range have been affected.
Public Health England says the risk to the public is very low and the Food Standards Agency has said there is no food safety risk for consumers.
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