The Ontario Provincial Police were called to the Benmiller Inn & Spa in Goderich, Ont., just before 1 p.m. ET.
According to police, "the north end of the deck collapsed causing some of the family members to fall approximately 10 feet to the ground below."
Five people were taken to hospital. All reported injuries were minor in nature, police say.
The Ontario Ministry of Labour is investigating.Suggest a correction