Family and friends have returned to the scene where a three-year-old boy died after an alleged hit-and-run in Melbourne yesterday.
Police are investigating after the toddler, Ethan Nguyen, was fatally injured on McIntyre Road, Sunshine North, about 6.30pm on Thursday.
Emergency services were told Ethan had been struck by a red sedan.
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He was taken to hospital but died overnight.
Family, friends and the community have been left heartbroken by the incident.
"Why car can't stop? I don't know," Ethan's grandmother sobbed at the scene.
Flowers and the little boy's favourite tea have been laid on the street as a tribute.
CCTV of the incident showed Ethan running onto the road after being picked up from daycare.
Witnesses said the boy's mother told him to stop.
"She said 'Ethan, stop!' and then he listen and stop but the car not stop," a witness said.
"My business owner he say 'stop, stop, stop', he see the boy when he cross the road and cause little boy he not understand, that's why," Saad Alyoshik, another witness said.
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A 73-year-old woman handed herself into police earlier today.
Police said the driver of the vehicle "failed to render assistance and drove off from the scene".
"I mean having a quick look at the vehicle, it's pretty evident that you would know you've hit something," Superintendent John Fitzpatrick said.
"Whether that driver knew that they'd hit a child or something else is still to be determined."
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Anybody with CCTV or dashcam footage is urged to contact police.