At least one person has been killed in a shooting in downtown Moscow on Thursday evening, state media have reported. An unidentified gunman opened fire near the entrance of the Federal Security Services (FSB) building before being killed in a shootout, RIA cited an FSB spokesperson as saying.

One FSB officer was killed at the scene, the FSB was cited as saying. The Health Ministry said in a statement that five people had been injured, while earlier media reports said that two FSB officers were critically injured. A video of the incident depicted people fleeing the scene with gunfire heard in the background.