Authorities are hunting for a suspected arsonist after a number of fires were lit at Lake Richmond in Rockingham.
Firefighters were called to the lake after receiving a number of triple zero calls around 3pm on Tuesday reporting smoke and flames.
It took them an hour to extinguish the fires.
Police are treating the fires as suspicious and are urging anyone with information, or who saw any suspicious activity in the are at the time, to contact Crime Stoppers on 1800 333 000 or via www.crimestopperswa.com.au
Rewards of up to $25,000 are available for information that leads to the identification and conviction of an arsonist.
Mandurah to shine bright this Christmas
Secret Harbour Beach closed due to shark sighting
Rockingham named a hotspot for dog attacks on posties
Desperate plea from family of critically ill toddler
Motorcyclist dies in Oakford crash
Fire destroys Waikiki granny flat
Longer retail trading hours for Mandurah this Christmas
Christmas on the Murray returns
Local sports stars honoured at 2025 Mandurah Sports Awards