Sergey Pivovarov/Reuters
- A fire broke out at a Russian FSB building on Thursday, causing fuel tanks to explode.
- Videos on social media show thick plumes of smoke billowing from the raging fire.
- At least one person has been killed and two injured, Russian media reported.
At least one person has been killed and two injured after a fire broke out at a building used by Russia's Federal Security Service (FSB) in Rostov-on-Don on Thursday, Russian news agency TASS reported.
Dramatic videos on social media show thick plumes of black smoke billowing from a raging fire.