Do you recognise any of the people pictured in these CCTV camera images?
Police in Wakefield and Castleford want to identify them in connection with enquiries into unsolved crimes.
The images may be of both potential suspects or witnesses.
Members of the public should not approach anyone who they believe to be pictured.
They are asked to contact Crimestoppers on 0800 555 111 to give the identity of the person shown, quoting the reference number accompanying the picture.