September 1, 2011 - 13:00 AMT
Who alerted a bomb in opera building?

At 07:15am on September 1, police received alert on a bomb planted in the building of Yerevan’s National Theater of Opera and Ballet.

A combat detachment, rescue groups and crisis management service officers arrived at the scene. Dog experts and RA National Security Service officers searched the building to find no bomb. At 9:42 bomb alarm was canceled.