Afternoon Update: poultry farms lock down over bird flu fears; Steggall expected to launch teal party; and brave bare-bum swimmers

A Department of Primary Industries and Regional Development veterinarian tests a giant petrel for H5N1 bird flu. Photograph: Lori-Ann Shibish/Esperance Wildlife Hospital and Sanctuary.

Good afternoon.

Poultry farms in Western Australia have gone into lockdown after the deadly H5N1 bird flu arrived on the country’s mainland, with tests confirming a second bird also carried the disease.