Police have warned residents not to approach a man with links to Nottingham after launching an appeal to find him.
Officers have issued an image of Craig Shaw, the man who they would like to speak to in connection with violent disorder allegations.
Derbyshire Police say Shaw has links to both Derby and Nottingham, and should not be approached if seen.
If you have seen him or know where he might be, contact Derbyshire Police by calling 101 and quoting incident 20*586039.
You can also contact the force on its Facebook and Twitter pages, as well as its website, or use Crimestoppers' anonymous hotline on 0800 555 111.
