Three people are dead following three separate overnight homicides in Toronto and neighbouring Mississauga, police say.

The string of slayings began at 11:57 p.m. on Monday when Toronto police received a call for the sound of gunshots in a plaza near Allen Road and Lawrence Avenue West.

When officers arrived on scene, they say they found a man who had been shot. He was taken to hospital where he later died. Their age was not immediately known.

At 12:19 a.m. Tuesday, emergency services received calls for a stabbing at Jane Street and St. Clair Avenue West. When they arrived on scene, police say they found one person who was stabbed; they later died on scene. Their age or gender was not made immediately available.

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In Mississauga, Peel Regional Police said officers received a call for a shooting at 3:47 a.m. at Central Parkway and Joan Drive. When officers arrived on scene, they found one man who was pronounced dead, and two other men were taken to hospital with non-life-threatening injuries.

No suspect information has been released in any of the cases, but the investigations remain ongoing.

Man seriously injured in laneway shooting

Meanwhile at 1:03 a.m., Toronto police responded to a shooting at Laird Drive and Eglinton Avenue East.

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When officers arrived on scene, they found a man suffering from gunshot wounds. He was taken to hospital with serious injuries.

No suspect information was released.

Anyone with information in any of the overnight cases is asked to contact police.