OPP is searching for suspects after a report of two males firing what is believed to be pellet guns at the windows of an Orillia Transit bus.
This was around 7 a.m. on Friday at West and North Streets.
No injuries were reported.
Officers from Orillia OPP, the canine unit, the emergency response team (ERT) and the forensic unit attended.
Investigators believe this to be an isolated incident and there is no elevated risk to the public at this time.