A new highly-pathogenic bird flu outbreak has been confirmed in Devon following a spate of cases which have impacted the county recently.Avian influenza of the H5N1 subtype was confirmed on Wednesday evening (10 June) in poultry at a premises near Tiverton.A 3km Protection Zone and 10km Surveillance Zone has been put in place around the premises, Defra said, and all poultry will be humanely culled.The new outbreak follows several others which have impacted the county recently, including one recorded on Tuesday (9 June) at a commercial duck farm in Cullompton.