Victoria Police homicide squad detectives are investigating a death in Shepparton on Saturday, April 1.
Emergency services responded to reports of a woman with serious injuries at an address on McCubbin Dve about 6.10pm.
A Shepparton woman, 27, was pronounced deceased at the scene.
A Shepparton man, 28, is assisting police with their inquiries.
Detectives are working to establish the exact circumstances of the incident and the investigation is ongoing.