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.
DESC begins recruitment process for new chief officer
Successful candidate will be paid up to £147,368
More than 60 full-time equivalent roles identified in government communications and marketing posts
Tynwald written answer discloses breakdown of staff working in marketing, communications, promotional and news-related roles across government departments and public bodies
Higher education support to increase from September, after Tynwald approval
Student award rules aim to reflect rising living costs, expand eligibility, and improve support for distance learners
'Business as normal' says DEFA Minister amid bluetongue outbreak
No effect from virus to Manx public