A teenage boy was headbutted in an attack outside a Rotherham shop.
The 16-year-old suffered facial injuries in the incident outside a convenience store in Hepworth Drive, Swallownest.
A 19-year-old man was interviewed under caution in connection with the attack and now police officers want to hear from witnesses or anyone with information.
The attack happened between 4.30pm and 5pm on Sunday, April 24.
Anyone with information should call South Yorkshire Police on 101.