Lincolnshire Police have today, Wednesday, named the man who died in Chapel Street, Market Rasen, on Friday evening as Matthew Smith, 35, of Park View in Legsby.
Officers were called to a flat on Chapel Street, Market Rasen at 8:24pm on Friday evening. When officers arrived Ambulance staff were already in attendance. Mr Smith was certified as deceased at the premises.
A post mortem examination carried out on Saturday afternoon returned inconclusive results.
Police are awaiting the result of toxicology tests, which can take up to several weeks to become available.
Two men who were arrested in connection with the incident, aged 43 and 23, and were later released remain on police bail.