Two women and a young boy were hit near a primary school at Maramba Drive near Narre Warren North Road, not far from Westfield Fountain Gate, just before 9am.

Ambulance Victoria said the young boy is in a serious condition and is being assessed for injuries to his head and leg.

He was being treated at the scene by paramedics shortly before 10am and later flown to the Royal Children’s Hospital.

The other women, believed to be aged in their 30s and 50s respectively, were assessed at the scene. One was taken to nearby Dandenong Hospital for observation.

The Herald Sun reports the boy, 5, was with his grandmother when he was hit.

Victoria Police said a female driver stopped to render assistance at the scene and that she was the sole occupant of the car. It’s not yet clear what caused the collision.

More to come.