Martin Kelly from Kinnegar Drive was last seen by friends at a bar in south Belfast on New Year's Day 2006.Mr Kelly, who is about 6ft 1in tall and of slim build with short dark hair, was wearing a black 'Guinness' T-shirt and blue jeans at the time.He and his friends had went to Pat's Bar in Garmoyle Street to watch a football match.The friends left and Mr Kelly remained in the bar talking to other customers. He left at about 7.10pm and hasn't been seen since.PSNI Detective Chief Inspector Colin Gillis, Crime Manager for south and east Belfast said: "Police remain committed and determined to discovering what happened to Martin and to bringing closure to his family."Detectives will continue to follow up all new lines of enquiry and any new information."Detectives and police experts carried out a review into the investigation in 2007 but found all current lines of enquiry had been exhausted.DCI Gillis added: "Police investigating Martin's disappearance carried out searches on land and on the water and deployed the diving team and air support team in these searches."We have also undertaken extensive enquiries but despite conducting a wide range of interviews and reviewing all available CCTV relating to the incident, Martin has not been located."We would reiterate our appeal for anyone that may have information in relation to Martin Kelly to contact detectives at Musgrave Police Station on 0845 600 8000. "