The cause of death of Georgian citizen Poghos Poghosyan perished under mysterious circumstances in «Paplavok» Yerevan café on September 25 night is the punch on his head. «Armando» agency correspondent learnt this from sources close to the investigation. According to the sources, this is the medical certificate. As it is known, according to the widespread version, Poghosyan was killed by the safety officers of President Robert Kocharyan who was in the café that evening. The medical certificate let exclude the version that Poghosyan's death cause was heart attack.