One person is being questioned by police over a fire at a daycare centre in Mandurah.
Firefighters were called to Nurture Through Nature on Truarn Street around 6.30pm on Tuesday.
No one was inside at the time.
Arson Squad officers are investigating the circumstances surrounding the cause of the fire and one person is assisting them with their inquiries.
The extent of the damage is not yet clear.
Anyone with any information or vision relating to this fire is urged report to Crime Stoppers at www.crimestopperswa.com.au or by calling 1800 333 000.
"To our beautiful nurture families. We are absolutely devastated by what’s happened tonight at nurture . We are still assesing the damage the fire has done to our beautiful centre and we will be contact all of our families tonight once we have more information," a Nurture Through Nature Facebook post read.
"We are so thankful the centre was closed and no one was on site when this happened. Thank you to everyone has reached out with their kind messages."
Community invited to name crane towers building new Mandurah Hospital
Hundreds of volunteers remove 525kgs of rubbish from Mandurah's waterways
Port Kennedy man fined $4.2k for failing to feed horse
Rockingham General Hospital patients face the longest waits for elective surgery
Australian-first drone technology to monitor emergencies, crimes in Baldivis, Kwinana, Rockingham
Teen accused of ordering firebomb attack on Baldivis tobacco shop
City of Mandurah sees sharp rise in animal cruelty reports
Geoff Valentine returns to Peel Thunder as senior coach
Golden Bay woman charged with lacing colleague's curry lunch with snail poison