Police have arrested a man following a collision in Braybrook this evening which left a child with critical injuries.
It's understood a Toyota Prado collided with two parked cars in a rear laneway between Wirraway Ave and Liberator Lane about 5.20pm.
The Prado then struck two young children, who were playing in the laneway, before hitting another parked car.
An eight-year-old boy was pinned between the vehicles before being removed by emergency services.
He was taken to hospital with life-threatening injuries.
A three-year-old boy was taken to hospital with non-life-threatening injuries.
The driver of the Prado was arrested at the scene.
A 48-year-old Braybrook man is currently assisting police with their enquiries.
Major Collision Investigation Unit detectives and local police continue to investigate.
Anyone who witnessed the incident, has dashcam/CCTV footage or information is urged to contact Crime Stoppers on 1800 333 000 or make a report online at www.crimestoppersvic.com.au