A Russian kettlebell lifting champion and FSB officer was killed on 13 January in a building in central Moscow, with reports suggesting he may have been shot during an argument. Source: RBC (Russian Business Consulting),

Newsweek has contacted the Russian Defense Ministry for comment via email. Why It Matters. The FSB is Russia's main security agency, and a successor to the notorious Soviet-era KG

A source told the Russian publication RBC that the leading theory is accidental death by gunshot, with a bullet striking the man's head. Read also: Missiles strike Russian FSB building in Donetsk used for interrogating Ukrainian soldiers The source added that the shot may have been fired during an argument between two men.

A Russian Federal Security Service (FSB) counterintelligence officer was gunned down in Moscow following an alleged dispute, Russian media reported Tuesday, citing anonymous law enforcement sources. The shooting occurred overnight inside a Russian Defense Ministry building that also houses an FSB directorate,