Road closures are in effect in Vaughan after police say a fire broke out at an unoccupied residential property late Saturday night. In a post online, York Regional Police say crews were called to the area of Pine Valley Drive and Ballantyne Boulevard shortly after 11:30 p.m. to respond to the fire. The home was unoccupied at the time of the fire, police said As a result, Pine Valley Drive is closed between Major Mackenzie Drive to the south and Ballantyne Boulevard to the north until further notice. Police are advising motorists to use alternate routes and expect delays in the area.