Sydney death sparks police probe

A man has died following a domestic dispute in Sydney's southwest, with the circumstances surrounding his death not immediately clear.

Police were called to a home in Bradbury on Monday night following reports of a domestic dispute between two men and a woman.

They arrived to find two men aged 36 and 47 in an altercation in a vehicle parked outside.

In circumstances still under investigation, the younger man died.

The second man has been arrested and is being questioned.

A critical incident team has been set up to look into the circumstances surrounding the incident, with the Professional Standards Command to oversee the investigation.