A three-year-old boy was rushed to hospital in Oxford after he was knocked down by a Range Rover. 

A 31-year-old woman has been arrested on suspicion of driving without due care and attention and driving whilst over a specified controlled drug limit.

She has been released on police bail.

READ MORE: Oxford ranked one of UK's most dangerous cities for drivers

The crash occurred at 3.45pm yesterday afternoon on Royal Avenue in Calcot, near Reading. 

The three-year-old, who was a pedestrian, suffered a serious head injury in the collision and remains in the John Radcliffe Hospital. 

Thames Valley Police is appealing for witnesses to the collision. 

Investigating officer PC Martin Danks, of the Joint Operations Roads Policing Unit, said: “I am appealing for any witnesses to this collision, whereby a young boy has sustained serious injuries, to please come forward.

“It is believed several people were in the area at the time of the collision and I ask that anyone who has not already provided a statement to police regarding what they saw contact us if they feel they have information that will assist my investigation.

“I am also looking for any dash-cam, video doorbell or CCTV footage of the area or of a black Range Rover Evoque being driven on Royal Avenue just prior to the collision.

"You can upload footage and send it to us via this site.

“Get in touch by calling the 24-hour non-emergency number 101 or by making a report on our website, quoting reference number 43230411234.”