Images have been released by Northamptonshire Police of seven people they want to speak to in connection with violent crime in Northampton and Wellingborough.
One of the CCTV images shows a man who may have information about an assault in the Marks and Spencers store in Gambrel Road, Northampton, at 5.20pm on August 8 this year.
Another man pictured may be able to help police investigating an assault on a staff member at Tesco in Coppice Drive, Northampton, on August 23 between 6.40pm and 8.40pm.
Police have also released a CCTV image of a man they would like to speak to in relation to an assault in Main Road, Far Cotton, Northampton, on August 27.
One man pictured may have information about an assault in London Road, Northampton, in the early hours of December 13, 2014.
Three of the pictures are of men who may be able to help police investigating assaults in Wellingborough.
One of the assaults took place in Cambridge Street, Wellingborough, on March 9, 2014 at about 9.30pm. Another violent assault took place in Temple and Pure nightclub in Silver Street, Wellingborough, in the early hours of March 21 this year.
Police are also trying to find information about an assault at the Shell Service Station, Gold Street, Wellingborough on February 25, 2014.
If you know any of those people who are pictured, you can call the police on 101, quoting the number which appears alongside the photo, or Crimestoppers on 0800 555111.