The death of a 24-year-old man in Newport is being treated as suspicious, say Gwent Police.
Tony Singh was found at his flat in Bryngwyn Road on Monday evening but last seen near to a gym on Thursday, 11 November.
Police said inquiries were continuing into the cause of his death.
Anyone with information is asked to contact Gwent Police on 01443 865562 or Crimestoppers on 0800 555111.
Mr Singh was last seen when a taxi dropped him off near to Sunhealth Gym on Stow Hill, Newport, between 1130 and 1200 GMT on 11 November.
Supt Dave Johnson said: "There are a number of lines of inquiry that we are following at the moment in order to try and piece together what has happened to Tony, and his movements prior to his death.
"We have specialist officers supporting his family at this time and I would urge anyone with any information that could assist us with our inquiries to contact us, no matter how small they think it may be.
"It could be crucial to this investigation."
Mr Singh is described as approximately 5ft 7in (1.7m) tall, of slim build, with brown eyes and shaved black hair.
He has gold caps on his teeth and a number of tattoos. On his right arm he has the letters TS, on his back he has a dragon and a symbol, and on his shoulder he has a tattoo of a Komodo Dragon.
He also has both of his ears pierced.
Police said neighbourhood officers were carrying out patrols in the area and were available to speak to anyone with concerns.