Northern Territory Police are investigating a hit and run in Alice Springs overnight.
Police responded to a two vehicle crash at the Larapinta traffic intersection just after 10pm.
Initial investigations indicate the vehicle, believed to be stolen, breached a red light and struck a motorcyclist travelling west towards Larapinta Drive.
The vehicle failed to stop at the scene of the crash and the 47-year-old male rider suffered life threatening injuries. He was transported to the Alice Springs Hospital where he remains in a critical condition.
Traffic diversions were in place until earlier this morning to allow officers from the Major Crash Investigation Unit to process the crash scene.
Utilising Drone and CCTV capabilities, police were able to locate the offending vehicle and successfully deployed tyre deflation devices stopping the vehicle on Grevillia Drive where five offenders ran from the vehicle.
Two youth aged 16 and 13 and a 19-year-old man were arrested following a foot chase and are currently assisting police with their inquiries. Two offenders remain outstanding.
Police urge anyone with information or who may have witnessed the crash to contact them on 131 444 or report it anonymously via Crime Stoppers on 1800 333 000.