Ipswich detectives, with the assistance of the Homicide Investigation Group, are investing after the body of woman was located at a Raceview property yesterday afternoon.
Police attended a McGill Street address around 5.20pm on December 10 where the body of a 31-year-old Raceview woman was located in a vehicle.
A crime scene has been established as police investigations continue.
A 36-year-old Raceview man was arrested late last night at the address and is currently assisting police with their inquiries.
The man and woman are known to each other.
Anyone who may have noticed any suspicious behaviour in the area, or has any information which could assist with investigation, is urged to contact police.