Toronto: At least five people died as a gunman opened fire at a block of flats in the Canadian city of Toronto on Sunday, police said.

"Five victims are deceased, a sixth victim is in hospital in serious condition and the suspect is deceased following an active shooter incident at a condominium building located at 9235 Jane Street in the City of Vaughan," York Regional Police said in a statement.

On Sunday, at approximately 7:20 p.m., police were called to a residential building located on Jane Street, north of Rutherford Road, for a report of an active male shooter who had shot several victims.

"When police arrived, an interaction occurred between the officers and a male subject and the subject was shot. He was pronounced deceased at the scene. York Regional Police has notified the Special Investigations Unit (SIU)," read the police statement.

The Emergency Response Unit has conducted a thorough search of the building to ensure there are no additional victims and that it’s safe.

A police presence will be on scene as the investigation continues.

“We offer our sincere condolences to the victims and their families,” said Chief MacSween from the scene, adding there is no further threat to public safety.

An investigation into the incident is currently undergoing.