Inside, they discovered the destruction left behind. Furniture and artwork were destroyed. A mattress was tossed on the home's roof and graffiti lines the home's walls, according to CTV.
The home's owner isn't pressing charges and the girl's parents have agreed to pay for the damages from their daughter's party, police said in their report.
The estimates for the cleanup and repair of the damage left behind is about $20,000, CBC reported.