Ontario Provincial Police say one or more suspects smashed a stained glass window at the Rockwood Cemetery chapel. (OPP) Wellington County Ontario Provincial Police are investigating a case of damaged property at Rockwood Cemetery in Guelph-Eramosa Township. The vandalism occurred sometime between Tuesday night and Wednesday morning. The OPP said one or more suspects took out letters from the Rockwood Cemetery sign, smashed a stained glass window and other "decorative glass" in the chapel and damaged a hydro meter. Const. Cheri Rockefeller said suspects could face charges of mischief. Anyone with information is asked to call the South Wellington OPP operation centre at 1-800-310-1122, or Crime Stoppers at 1-800-222-TIPS, which is offering a cash reward of up to $2,000.