Unknown woman dies in Punchbowl crash

An unknown woman has died in hospital following a car crash in which the driver fled the scene on foot in Sydney's southwest.

The female passenger died on Sunday evening after the car she was travelling in collided with another car earlier that morning in Punchbowl.

Police are still trying to figure out who she was after the male driver fled the scene on foot.

The 45-year-old female driver of the other car suffered minor injuries and is in hospital for treatment.

Meanwhile a 56-year-old woman died on Sunday after a two-car crash near Bathurst, which also left two others with minor injuries.