York Regional Police say three people were taken to hospital for treatment after a home invasion in Thornhill on Monday night.
Const. Mark Lau told Global News the home invasion happened at a residence on Golfers Gate near Bathurst Street and Highway 7, at around 8:30 p.m.
Lau said three armed, masked men entered the residence, where three victims were inside.
The victims were assaulted and threatened with a gun, police said.
He said the victims suffered minor injuries and were taken to hospital.
The suspects then fled the area and police are appealing for any witnesses or anyone with dashcam or video surveillance to come forward.
Police said it is believed that the incident appears to be targeted.
There is no vehicle description at this time.
Police did not say what was taken during the home invasion and said investigators are still processing the scene.