Homicide Squad detectives are investigating the circumstances surrounding an incident in Traralgon overnight where a man became unresponsive following his arrest and subsequently died.
Officers were called to a Moore Street address to reports of a man behaving erratically about 12.50am.
Police attended and arrested a man out the front of his residence.
Shortly after being taken into custody, he became non-responsive.
Despite the best efforts of emergency services to revive the man, he died at the scene.
The exact circumstances surrounding the man's death are yet to be determined.
Detectives from the Homicide Squad will investigate the incident with oversight from Professional Standards Command, as per standard practice where someone dies after being taken into police custody.
Anyone with further information is urged to contact Crime Stoppers on 1800 333 000 or www.crimestoppersvic.com.au