We need to speak to him in connection with an investigation into the supply of class A drugs in Blackpool. Wyre and Fylde.
He is described as white, around 5'10" of medium build with blue eyes and dark brown cropped hair.
He is known to have links to the Blackpool, Thornton-Cleveleys and Fleetwood areas.
DI Kathryn Riley from Blackpool Police said: “Welsh knows he is wanted and it is only a matter of time before we find him.
“If you have seen him or know where he is, please make contact with us at your earliest opportunity. If Welsh sees this appeal, I would urge him to do the right thing and attend the nearest police station as he is only making matters worse for himself.”
Anyone with information can call 101 quoting incident number 225 of September 18th. Alternatively, you can call independent charity Crimestoppers anonymously on 0800 555111 or online at crimestoppers-uk.org.