Powerful fire occurred early on Friday morning in 2-storied office building in center of Moscow. Alarm about ignition in the house on Bolshaya Polyanka street 39/17 was received at about 5:00 a.m. By information of state fire fighting service of Russian Emergency Ministry over Moscow, fire spread fast over major part of offices. By 6:30 ignition was extinguished. Several fire fighting units worked at place of accident. Area of fire exceeded 600 sq. km. During extinguishing of fire there was a threat that fire will spread on apartment house, situated near-by. In this view residents of house were evacuated. By Moscow traffic inspection service, because of fire traffic on street Bolshaya Polyanka was limited.