Yesterday Marat Babayan, director of Measurement Systems Institute of the National Seismologic Service under the government of Armenia, suddenly deceased in Tbilisi. As reported by "Arminfo" agency referring to "BS-Press," the 52-year-old specialist arrived in Tbilisi last week to assist Georgian colleagues to overcome the consequences of the earthquake. Armenian specialists were setting special appliances in a number of old Tbilisi districts for registering seismic activity. Marat Babayan died when setting an apparatus in Tbilisi Chuguret district. As stated by the representatives of the Prosecutor's Office arrived at the scene of the accident, the exact cause of the death will be determined after holding corresponding medical expert examination. In the ambulance physicians' words, according to the preliminary opinion, cardiac arrest caused the death.