TORONTO -

Police are investigating following an early morning shootout in the city's bar district.

It happened around 3:20 a.m. on Adelaide St., between Simcoe and Duncan.

Police say two groups of males were fighting when one of them pulled out a gun and began chasing and firing shots at it. Several shell casings were recovered at the scene, but it's not believed anybody was actually shot. Police plan to check security videos for clues.