A second person has died after a car ploughed into three people as police wait to speak to an elderly driver.
The trio was walking on a footpath in suburban Wantirna South, in Melbourne's east, on Thursday when a 91-year-old driver lost control of her car.
The Toyota Yaris mounted a footpath before hurtling down a hill and smashing through a fence and into a bench.
The woman, 59, died at the scene while the man, 60, was taken to hospital in a critical condition.
A two-year-old boy was seriously injured but his condition had been stabilised in hospital on Friday.
Police said late on Saturday the 60-year-old man had died from his injuries.
Investigators, who are yet to interview the elderly driver, will assess whether speed was a contributing factor.
The incident has prompted the state government to consider previous calls for older people to prove they are fit to drive, in line with rules in other states.
The crash happened during the first week of Victorian school holidays, bringing the state's road toll to 14 in seven days.
Police have appealed to anyone who witnessed the incident or who has dashcam footage to come forward.
