North Wales Police have confirmed that the 57 year old Warrington man being questioned in connection with the death of a woman, also from the town, was married to the victim.
The body of the 49-year-old female victim was found in the boot of a car outside the police building.
The man was arrested on suspicion of murder and is currently in custody at St Asaph.
More top news
Gylfi Sigurdsson should shrug off a groin injury to feature for Swansea in their Barclays Premier League visit to Everton on Saturday.
Coast & Country returns tonight with a brand new series showcasing the very best of the Welsh countryside and its people.
Ghosts and ghouls a plenty will be out on the streets of Wales this evening, but it's not the first time they've been spotted this year.