Police say they are 'increasingly worried' for 26-year-old Cardiff man Ashley Wells, who has been missing for over a week.
Mr Wells was last seen leaving his home address in Gabalfa at 8.45pm on Sunday 5 January.
Specialist teams have carried out searches of the River Taff, the Taff Trail and wooded areas in Gabalfa and Llandaff, as well as checking nearby CCTV footage.
Detective Inspector Julian Bull, from South Wales Police, said: “We are getting increasingly worried about Ashley, who has left home without his wallet and mobile phone, and we are doing all we can to hopefully find him safe and well.
“We would urge anyone who may have seen Ashley since last Sunday or has any information which may be relevant is contact us.”
At the time of his disappearance Ashley was wearing very dark jeans, khaki brown canvas shoes and a khaki green coat from Next, described as oversized with a fur hood.
Ashley is known to visit West Wales, particularly Newport in Pembrokeshire, and also has contacts in Gwent, including Ystrad Mynach.
South Wales Police is appealing for information about the whereabouts of a 26-year-old man who has been reported missing.
Ashley Wells has not been seen since he left his home address in the Gabalfa area of Cardiff at 8.45pm on Sunday 5th January.
At the time he was wearing dark 'Criminal Damage' make of jeans, khaki brown canvass shoes and a khaki green coat, which has been described as very big, oversized and bulky, with a big hood and fur around the edge.
Police have checked CCTV footage from cameras near his home but it is not known which direction he traveled in.
They are keen to speak to anyone who may have seen him since that evening.
Ashley is known to visit West Wales, particularly Newport, and has contacts in the Gwent area.