The post-mortem examination on the bodies of the three persons who died under mysterious circumstances in the house, where drugs were later found in the Seenimodara area of Tangalle, has revealed that they died due to overdosing on a mix of heroin and beer. The post-mortem examination of the bodies was conducted by the Judicial Medical Officer of the Tangalle Base Hospital, Ruwan Nanayakkara. It has been revealed that the deceased died due to overdose on a mix of heroin and beer. The bodies of two persons who died under mysterious circumstances were found in a house in the Seenimodara area of Tangalle yesterday (22) based on inforamtion received by the police. Another person in the house in question had also died after being admitted to the Tangalle Hospital in critical condition.