A 38-year-old man has been arrested in connection with the murder of Sidney Cox in the Thorpe area of Leeds.
He was arrested last night in Pudsey on suspicion of murder and is currently in custody.
Mr Cox, 57, died the day after being seriously injured in a violent attack at an address in Middleton Lane on Saturday, August 24.
Officers from the Homicide and Major Enquiry Team are still appealing for information to help them trace Karl Gaskin (pictured), aged 40, in connection with the murder.
He is described as white, about 5ft 11ins tall, of medium build and with dark brown hair.
Anyone who sees him should not approach him and contact the police immediately on 999.
He is believed to have links across the Yorkshire and Humber region and West Yorkshire Police is liaising with neighbouring forces.
Anyone who has any information on his current whereabouts is asked to contact the Homicide and Major Enquiry Team via 101 or call Crimestoppers anonymously on 0800 555 111.