CCTV images have been released of a number of off-road bikers wanted by police in Rotherham.
Officers have issued the images following complaints.
A South Yorkshire Police spokesman said: "Rotherham's Central Local Policing Team carried out an operation on Saturday, October 1 to address resident concerns about off-road motorcycles in the local community.
"As part of their ongoing inquiries, officers are keen to identify the individuals pictured.
"Do you know these people or recognise the bikes? "
Call South Yorkshire Police on 101.