Police are investigating a break-in and assault overnight at Ottoway.
Just before 5.30am on Friday 11 January, four men forced their way into a house on Emerald Court and confronted the three occupants. The suspects pushed one man to the ground and threatened a woman with a knife before punching her.
The group then stole a mobile phone, cash and a black 2010 Holden Cruze sedan registration S787AJO.
Three of the suspects are described as being of Aboriginal appearance while the fourth suspect is described as being Caucasian, slim build and wearing a hi-vis vest.
Police have obtained images of the group and ask anyone who may know their identity to contact Crime Stoppers on 1800 333 000 or online at www.crimestopperssa.com.au
Similarly, if anyone spots the stolen Holden Cruze, they are urged to call the Police Assistance Line on 131444.
The woman was taken to hospital to be medically assessed.