Warnings issued over toxic algal bloom in Killarney's Lough Leane

Lough Leane is popular with anglers and boat users and is particularly busy with tourists this year. Picture: Don MacMonagle

Officials have had to erect algal bloom warning signs on the shore of Killarney’s largest lake, Lough Leane.

Owners of dogs are now being warned to keep their pets away from the water, and not to bathe themselves either.