Llyn Brenig reservoir search for Graham Austin
Teams looking for a holidaymaker missing in north Wales since Sunday have searched a reservoir near where his car was found.
Graham Austin, 53, from Shifnal, Shropshire, was last seen at 04:30 BST on Sunday when he left the caravan he was staying in near Corwen.
His car was later found at Llyn Brenig which borders Conwy and Denbighshire.
North Wales Police said concern was mounting for Mr Austin who has not gone missing before.
Searches on Tuesday involved the force helicopter and the joint underwater search team.
Posters have also been produced by officers and distributed in the area in a bid to urge anyone who may have seen the 53-year-old or a man matching his description in the early hours of Sunday to contact police immediately.
The area is popular with walkers, cyclists and fishermen.
Mr Austin is about 5ft 8 inches (1.72m) tall and of stocky build. He has short, cropped hair which is greying and a full beard.
He is believed to be wearing either jeans or black pyjama bottoms, a pyjama top with a Loony Tunes motif on it and a green Berghaus waterproof jacket or fleece.
He is also believed to be wearing green shoes with a brown stripe down the side.
Anyone who has seen Mr Austin or may know of his whereabouts can contact North Wales Police on 101 quoting reference number P085831.