Three people arrested on Sunday in Dagestan are linked to the attackers, according to the FSB. The people arrested are foreign citizens and “were preparing a terrorist act in public places” in Kaspiysk.
The Russian security services (FSB) announced Monday that the people arrested the day before are also linked to perpetrators of the attack on a concert hall near Moscow in March. The National Anti-Terrorism Committee (NAK) reported on Sunday the arrest of three people who planned to “commit a series of terrorist crimes”