Officers investigating the death of a solicitor who was stabbed while out on a morning run in Durham say they have CCTV footage of a couple they want to trace.
The footage shows a couple walking on North Bank towards Baths Bridge from the direction of the city.
The man is wearing dark long-sleeved top and dark trousers. The woman is wearing dark trousers and a red long-sleeved top.
"We know this couple walked along towards where Mr Maine was found and left the Maiden Castle area as the ambulance arrived.
"We are yet to speak to this couple and would encourage them to contact us."
More to follow.