Homicide detectives have made an arrest after the death of a man at a home in Victoria's southwest.
The unidentified man was found dead at an address in Park Street in Portland, a coastal town about half an hour from the South Australian border, at 7.30pm on Thursday.
Another man was arrested at the home.
Police say he is assisting officers with inquiries and it's believed the two men knew each other.
A crime scene has been set up as officers work to establish exactly what happened.