I had a friend involved in an accident. I was just wondering in Ontario: 1) Is it mandatory/law to report a hit and run accident? What are the specifics around this? 2) If more than one vehicles are involved, for example a three car accident, vehicle (a) was not aware of vehicle (c), and vehicle (b) claims hit and run caused accident but vehicle (c) is the hit and run that took off... Given vehicle (a) is unaware, is vehicle (b) required to make vehicle (a) aware on scene and call 911/OPP to the scene due to the 'hit and run'? Obviously if I was involved and I was made aware of the hit and ru...