News OPP make arrest in connection with Gravenhurst assault SHARE ON: Patrick Grapes, staff Sunday Oct. 7th, 2018 OPP arm patch. Photo by James Bowler/99.5 Moose FM/Vista Radio A Gravenhurst teen has been charged with assault. The Bracebridge OPP released security footage of the suspect last Thursday. The assault happened back on August 15th. A man had to be taken to hospital with life-threatening injuries after being attacked on Muskoka Road South. The OPP says that footage helped lead them to the 17-year-old. He can’t be identified because of the Youth Criminal Justice Act. He’s facing one count of aggravated assault.