Emergency services are at the scene of a two-vehicle collision in Prebbleton.
A police spokeswoman told Chris Lynch Media they received reports of the crash on Shands Road, near Hamptons Road at 3.05 pm.
Three people have sustained moderate injuries and another person has sustained minor injuries.
An eyewitness said a car was upside down.
The police spokeswoman said there are no traffic diversions or road closures.
The cause of the crash was still being investigated at the scene.