Defra says the highly pathogenic H5N1 strain of avian influenza was identified in a "large commercial poultry premises" near Wighton, south of Wells.

A 3km protection zone and 10km surveillance zone have been declared around the infected site, and "all poultry on the premises will be humanely culled", said animal health officials.

Protection and surveillance zones have been enforced after bird flu was confirmed by Defra in a commercial poultry farm near Wells (Image: Defra)

It is part of a recent surge in new avian influenza cases, including

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