Vincent Jackson, 36, is wanted in connection with a serious assault causing grievous bodily harm which took place on November 15 in the town.
If you have any information that will help find him you are asked to get in touch by calling 101 or emailing [email protected], quoting reference 21000666319.
You can also get in touch through independent charity Crimestoppers anonymously on 0800 555 111 or online at crimestoppers-uk.org.