A man whose car smashed into a Geelong house leaving a baby girl in an induced coma was allegedly attacked by a man who was inside the home at the time of the crash. The driver was left bloodied after the man allegedly hit him with a broken fence paling, witnesses told the Herald Sun. Police say the car crashed through a fence and into the front bedroom of the Breakwater house after its driver apparently failed to negotiate a roundabout just after 8.30pm on Sunday. Scroll down for video . A baby girl is in hospital with life-threatening injuries after a car crashed into the bedroom of a Geelong house . Her parents, who are in their 20s and were in the room at the time, are in Geelong Hospital with minor injuries . Detectives from the Major Collision Investigation Unit are at the scene on the corner of Fellmongers Road and Boundary Road in Breakwater . The four-month-old girl was airlifted to the Royal Children's Hospital in Melbourne where she remains in an induced coma with life-threatening head injuries. A man and a woman in their 20s, who were in the bedroom at the time of the crash, are in Geelong Hospital with minor injuries. The driver, a 20-year-old Grovedale man, is under police guard in Geelong Hospital and is yet to be questioned. 'As he's entered the intersection at Boundary Road, he's failed to negotiate the roundabout and has in fact driven straight across the roundabout and crashed into the front room of a house,' Detective Sergeant Andrew Kilpatrick said. The four-month-old girl was airlifted to the Royal Children's Hospital in Melbourne . Police say a car crashed through a fence and into the Breakwater house after its driver apparently failed to negotiate a roundabout just after 8.30pm on Sunday . 'The intersection is well lit... nothing that we can see here with road conditions and weather conditions would have contributed to the accident.' Detectives from the Major Collision Investigation Unit are at the scene. Neighbours who heard the moment of impact said it sounded 'like an explosion'.
A four-month-old baby girl is in hospital with life-threatening injuries . A 20-year-old man's car crashed into the bedroom of her Geelong house . Police say a car crashed through a fence and into the Breakwater house after its driver apparently failed to negotiate a roundabout .