A police investigation has been launched following the hit-and-run crash in Manor Road, Bournemouth last night.
Officers are appealing for witnesses to come forward following the incident in Manor Road at 7.05pm.
The two cars involved – a black Volkswagen Passat and a black BMW 116D – both failed to stop at the scene.
Officers attended, along with the ambulance service and two people – a man and a woman both aged in their 20s – were taken to Poole Hospital with serious injuries.
Road closures were put in place as the emergency services responded to the incident and to allow for officers carry out enquiries as well as an examination of the scene. The closures were lifted at around 10pm.