Ontario Provincial Police are seeking tips in a mischief investigation. They said someone has been knocking down camera poles in Puslinch Township. One of the toppled signs warned that cameras were collecting information for bylaw enforcement. Police said they were being “used to deter heavy vehicles driving down local roadways.” They did not state how many poles were damaged, only that the incidents happened between Aug. 16 and Oct. 6 near Concession 1, Concession 2 and Concession 7. Anyone with information is asked to call OPP at 1-888-310-1122, or Crime Stoppers Guelph Wellington at 1-800-222- 8477 or submit a tip online.