The Northern Territory Police Force responded to a vehicle fire in Alice Springs in the early hours of Tuesday morning.
Around 2:30am, police patrols located a Holden Commodore car alight in the carpark of the Royal Flying Doctor Service (RFDS) lawns.
Northern Territory Fire and Rescue Services attended the scene and extinguished the fire.
Two females aged 53 and 47 were located at the scene and were apprehended into police custody. They are assisting police with enquiries.
The Commodore was confirmed by CCTV to have been there for days as an abandoned vehicle.
No injuries were reported.
Investigations are underway to identify the owner of the vehicle.
Anyone with information is urged to contact police on 131 444. Please quote reference number P26093762.