Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. TASS: One killed in Explosion at Security Service Border Patrol Building in Southern Russia by Reuters At least one person was killed and two were injured in an explosion that caused a fire at a building belonging to the border patrol of Russia's FSB security service in the southern city of Rostov-on-Don on Thursday, local authorities said. Footage captured by Reuters showed a plume of thick black smoke billowing into the air, near residential buildings and a shopping center in a built-up district of the city. Local emergency services said an explosion had occurred, igniting a fire that spread to an area covering 880 square meters. They said one person had been killed and two more injured in the incident.