Gunfire rang through the Jane and Lawrence area early Thursday morning.
Police are now searching for a suspect who may have stolen a vehicle and hit a police car before crashing into a fence.
It happened just after midnight at 300 Queens Dr.
Police did find evidence of a shooting but no victim.
A car was seen fleeing the area and a similar vehicle was seen smashing into a police vehicle before hitting a fence at Weston Road and Seneca Avenue.
No one was injured in the crash, but there is damage to the front end of the cruiser.
The canine unit was brought in to search for suspects, but so far no one is in custody.
Witnesses are asked to call police or Crime Stoppers.