A suspected Byelorussian citizen is arrested in Moscow in connection with Armenian citizen Aharon Tigranyan's murder. The body of 30-year-old Aharont Tigranyan was discovered yesterday near the entrance of №15 house on the Rudnevka street. According to medical examination A. Tigranyan died in the result of plural knife wounds. The police has filed a criminal case. Aharon and Ashot Tigranyans lived in the above-mentioned house, RFE RL reports. A source in Moscow Eastern Prosecutor's Office informed Aharon Tigranyan and the Byelorussian suspect had a quarrel before the incident.