A UK inquest into the death of Bermudian Dennis Lambert has concluded the 32-year-old died as a result of a drug overdose.Mr Lambert was discovered in an unresponsive state at his flat in Thornton Heath in South London, on January 6.Cause of death was given as “cardiorespiratory failure due to opiate toxicity”, at Westminster Coroner’s Court.Mr Lambert, who had struggled with drug addiction, was said to have moved to the UK in search of work last year. According to family, he had previously sought drug treatment in the UK, and the coroner’s report said he had come to London “to try and avoid drugs”.Mr Lambert had hip surgery in December and was being treated for an infection. He was also prescribed Tramadol, a painkiller.The inquest heard that on January 5 Mr Lambert was drinking at his flat with a friend from Bermuda and later went out for painkillers after complaining of hip and tooth pain.At 11am the next day, Mr Lambert’s visitor called an ambulance and attempted CPR on his unresponsive friend, but Mr Lambert was pronounced dead at the scene.Police found no evidence of drug use on the premises, but the inquest report said traces of morphine and codeine, probably left by heroin, were detected in his system.Circumstances of death could not be determined, and the coroner entered a verdict of death by misadventure.Mr Lambert, known for his distinctive facial tattoo, was the father of two children. He had worked in the past for the Corporation of Hamilton and for Public Works.