Work on the building was due to take place to enable children to use it
An investigation has been launched after a building within Arrasey Plantation was set alight.
Police believe it's a case of arson and happened over the past few days.
On social media, officers have described the situation as 'saddening'.
Anyone with information is asked to contact headquarters on 631 212.
Bus drivers support industrial action
Manx Radio understands it's over disputes about pay and contracts
Douglas Council leader defends plan to sell social homes to fund new builds
Devon Watson says directing 100% of the sale proceeds into new housing is a bold step to cut waiting lists
Amber coastal overtopping alert issued
Strong southeast gales are expected to drive waves over promenades later tonight
Cooil's Dairy to end retail operations including deliveries
All its milk will now be supplied to the Isle of Man Creamery