Police were called to Mitcham Road junction with Sumner Road today (September 12) at 12.50pm to a report of a collision.

A Metropolitan Police spokesperson said: “From initial enquiries it is believed that an occupant from the suspect vehicle approached the victim and removed cash from his car before making off.”

Officers attended along with by the London Ambulance Service and found a man in his 60s in cardiac arrest.

He was taken to a South London hospital, where his condition remains critical.

The other vehicle made off prior to police arrival.