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
Any showers will ease through the evening to leave a mainly dry night with clear spells and light winds.
A coroner says that the family of a 15-year-old girl, who died after falling from a bridge, was let down by health authorities.
A chihuahua has been rescued after spending five days trapped down a hole on a Cwmtillery mountain.