Christian Marriott, 46, had been helping an unconscious woman when the car hit him and others.
A man who died after a car hit a group of people in Sheffield was a Good Samaritan who came to another victim’s aid, police have said.
Emergency services were called to College Close, Burngreave, shortly after 14:00 GMT on Wednesday following reports of violence and disorder.
As that call was being made, a car hit a group of people, police said.
South Yorkshire Police said father-of-two Christian Marriott, 46, had stopped to help a woman lying unconscious.
It is believed the woman had been involved in an altercation between a group of people.
As Mr Marriott stopped to help, he was hit by a car, police said.
“Numerous” people were also injured in the incident, with one of them in a serious condition and being treated in hospital, they added.
A 23-year-old man was later arrested on suspicion of murder.
Another man, aged 55, was arrested on suspicion of attempted murder and both men remain in custody.
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