Nebraska officials are alerting the public to harmful algal booms of "toxic blue-green algae" at a lake in Douglas County.

ITV has commissioned a serial killer thriller series called The Dark from ex-BBC drama controller Ben Stephenson’s Poison Pen.

Bioluminescent algae has been detected in South Australian waters, in a sign the tide could finally be turning against the toxic bloom that has affected the state’s coast since at least March.

King County Public Health is warning people to stay out of the water at various beaches due to high levels of bacteria that could make you sick.

Two councillors have decided to leave the Green Party and become independents after raising concerns around “toxic and underhanded behaviour from a select few” in the local party.

The lake in Hillsborough Forest has become the latest waterway hit by toxic blue-green algae – with warning signs having been erected in recent days.