Police are investigating the circumstances surrounding the death of a man after he was found unresponsive in Pascoe Vale last night.
Officers attended a residential property on Heathcote Street and located a 63-year-old male unconscious about 7.45pm.
The yet-to-be-formally identified man was treated at the scene but died shortly after.
Another man, a 34-year-old from Pascoe Vale, was arrested nearby and remains in custody.
A postmortem will be conducted to determine the cause of death.
A crime scene has been established and an investigation into the circumstances surrounding the incident remain ongoing.
It is believed the parties are known to each other.
Anyone who witnessed the incident, with CCTV/dashcam footage or information is urged to contact Crime Stoppers on 1800 333 000 or online at www.crimestoppersvic.com.au