Summary:
Police are investigating whether the death of a 72-year-old man in a Melbourne car park was a result of road rage.

Full article:
A 72-year-old man has died in a Melbourne car park after a suspected road rage incident. He collapsed in the Burwood East car park after an altercation and went into cardiac arrest. Paramedics treated him for almost an hour but he could not be revived, an Ambulance Victoria spokesman told AAP. Scroll down for video . A 72-year-old man has died in a Melbourne car park after a suspected road rage incident . The elderly man collapsed in the Burwood East car park after an altercation and went into cardiac arrest . Police said an argument broke out between the elderly man and the 40-year-old driver of another car after a minor collision east of Melbourne at about 9.30am on Tuesday. Police said it's believed the younger man pushed the 72-year-old in the chest after the older man 'became aggressive'. Nine News reports that the 40-year-old entered a nearby building afterwards but when he later returned to his car, he found the 72-year-old on the ground. Investigations are continuing as police are speaking to witnesses at the car park. Paramedics treated him for almost an hour but he could not be revived, an Ambulance Victoria spokesman said . Police said an argument broke out between the elderly man and the 40-year-old driver of another car after a minor collision on Tuesday morning .