A burned-out car found in Pinfold Lane, Alltami, near Mold, belongs to Catherine Gowing, who has been missing since she failed to arrive at work at a Veterinary Practice in Mold, North Wales, on Monday, police have said.
Confirming the news, Detective Superintendent John Hanson appealed to anyone with information about Ms Gowing or the car to contact police immediately to help relieve "the pain that Catherine's friends and family are going through".
A 46-year-old man from Gwynedd remains in police custody after being arrested on suspicion of her murder on Tuesday night.
More top news
Actor Robbie Coltrane was admitted to hospital last night while on a flight from London to Orlando.
Justin Bieber has posted a video online apologising for his "arrogant" and "conceited" behaviour in the past year.
More than a third of children in England are considered overweight, a new 20-year study suggests.