Police are investigating an assault at a retirement village in Aspendale Gardens that left a staff member injured.
Investigators have been told a man entered the Wells Road premises about 7.30am on Thursday 6 July.
The man moved throughout the village before walking upstairs to a bin room where the victim followed him to determine why he was in the building.
Police were told once the man was inside, he grabbed the victim on her upper arms before punching her several times to her head and upper body area.
The man then fled the premises through the Wells Road exit.
The 27-year-old victim sustained bruising and scratches.
Investigators have released CCTV and images of a man they believe may be able to assist with their enquiries.
The man is perceived to be Asian in appearance, aged in his late 20s and spoke with an accent.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000 or submit a confidential report online at www.crimestoppersvic.com.au