At least 10 people have been injured in a multi-vehicle accident in the city's north-east end.

Five vehicles were involved in the crash that occurred at Markham and Steeles Avenues around 4 p.m. on Saturday afternoon.

One man in his 40s has been airlifted to Sunnybrook hospital with life-threatening injuries.

It's reported three families were involved in the crash, including four children.

No information has been released on the condition of the other nine people injured in the crash.

The intersection was closed down as police attempted to reconstruct the accident.

Traffic services is investigating.