Police have released an image of a man they would like to trace in connection with a number of incidents.
Officers want to speak to Thomas Brown in connection with alleged incidents of assault, false imprisonment and burglary.
The 21-year-old has links to Ripley, Alfreton and Heanor.
Anyone who knows of his whereabouts is asked to contact police, quoting the reference number 18000212594, by calling 101 or via the online form www.derbyshire.police.uk/Contact-Us.
Alternatively, contact Crimestoppers anonymously on 0800 555 111.