In Nur-settlement of Buryatia republic 13-year old boy died as a result of explosion. This was informed by press-service of Siberian regional center of Ministry of Emergency. Experts found out that teenager tried to dissemble fragment of grenade GPG-7 at the garage of private apartment house. Boy got numerous serious wounds during explosion. He died soon after hospitalization to one of Ulan-Ude city hospital. At present moment investigators of local regional administration of Interior Affairs ascertain all details of incident.