A 20-year-old man has been arrested on suspicion of murder after a teenager who was an "entirely innocent bystander" was hit by a car which appeared to mount the pavement, police have said.Graphic CCTV footage of the incident in the Darnall area of Sheffield appears to show the car veer into the opposite carriageway before hitting the 16-year-old at speed.South Yorkshire Police said on Thursday that a man had been arrested in Kent on suspicion of murder.

A 20-year-old man has been arrested on suspicion of murder after a teenager who was an "entirely innocent bystander" was hit by a car which appeared to mount the pavement, police have said.Graphic CCTV footage of the incident in the Darnall area of Sheffield appears to show the car veer into the opposite carriageway before hitting the 16-year-old at speed.South Yorkshire Police said on Thursday that a man had been arrested in Kent on suspicion of murder.