The suspect on the left is wanted in connection with a rape in Welwyn Garden City on 29/07/13.
The five men caught on CCTV (right) are wanted in connection with a robbery in Hitchin on 01/02/13.
For more information visit Crimestoppers here.
More top news
Yamaha rider Jorge Lorenzo set the pace in practice for Sunday's British Grand Prix.
It will be a dry and bright start to the Bank Holiday Weekend before heavy, showery rain arrives on Sunday.
Ipswich Town are closing in on Australian winger Tommy Oar and have also agreed a deal to sign Polish defender Piotr Malarczyk.