Almost 1.8 million farmed and captive birds have been culled in the past three months because of the spread of avian flu across the UK, the BBC has learned. There have been 33 outbreaks of the virus on farms so far,

Avian influenza has been found in some wild birds in Wisconsin. Department of Natural Resources officials confirm finding the H5N1 virus in a wild merganser duck in Milwaukee County. DNR officials also say there have been reports of around 50 sick ducks along the Lake Michigan shoreline between Milwaukee and the Illinois border.