A woman and a four year old child are dead following a two vehicle collision in Markham on Monday morning.
The crash happened at the intersection of 6th Avenue and Bur Oak Avenue just after 10 a.m.
Police say an adult female in one of the vehicles was found without vital signs and was taken to hospital via Ornge air ambulance in life-threatening condition, while a child in the same vehicle was also taken to hospital with life-threatening injuries.
Both victims later succumbed to their injuries in hospital.
A man, who was inside the other car involved in the crash, was also taken to hospital with serious injuries while an infant in that car was unhurt.
Roads in the area have been closed for the investigation.
SERIOUS COLLISION – Roads being shut down in the area of 16th Ave/Bur Oak Ave. Traffic delays in the area and should be avoided if possible
— York Regional Police (@YRP) August 29, 2016
With files from Maria Madden.