Perth Detectives are investigating a robbery incident that occurred along Wellington Street, Perth on Sunday 3 February 2019.
Around 2am three men aged in their 20s were approached by four men. The four men verbally threatened the victims and demanded property.
The victims handed over several personal belongings before both groups left the area. The two groups of men were not known to each other.
Detectives have released CCTV images of three men they believe may be able to assist them with inquiries.
The first man is described as dark skinned with a slim build, dark coloured hair and approximately 20 years of age. He was last seen wearing a black shirt, blue tracksuit pants and black sneakers.
The second man is described as dark skinned with a medium build and approximately 20 years of age. He was last seen wearing blue jeans, a dark coloured shirt and black cap.
The third man is described as dark skinned with a slim build and approximately 20 years of age. He was last seen wearing a navy blue coloured shirt.
If you have any information about this offence make a report online at crimestopperswa.com.au or call Crime Stoppers on 1800 333 000, where all calls are strictly confidential, and rewards are offered. Please quote Reference Number 9156.