Russian Security Service arrests suspected Islamic State members in Moscow [Getty Images]

MOSCOW, RUSSIA - DECEMBER 13, 2019: Pictured in this video grab are suspected members of the Islamic State (ISIS) terrorist group arrested in a raid by the Russian Federal Security Service (FSB) and police; the detained suspects, who include two Russian citizens and three people from Central Asia, allegedly have been plotting subversive terrorist acts. Video grab. Federal Security Service of the Russian Federation/TASS (Photo by Russian Federal Security Service\TASS via Getty Images)

TASS Russian Federal Security Service