Detectives are appealing for anyone with video footage of a suspected hit-and-run on Bonfire Night which injured six people to contact them.
A Volkswagen Golf car struck the group on Bob Massey Close in Openshaw, Manchester, at about 20:30 GMT on Tuesday, Greater Manchester Police said.
Three children and three adults were hurt, with one man left with life-changing injuries.
A man, 36, who was held on suspicion of causing serious injury by dangerous driving has been released on bail.