The FSB showed a video of the arrest in Dagestan of those involved in the terrorist attack in Crocus. The video also shows searches of the detainees' homes, including the discovery of weapons and components for an explosive device.
The militants, who were detained during the counter-terrorism operation in Makhachkala and Kaspiysk, were identified as part of the strengthening of security. They supplied the terrorists who attacked Crocus City Hall, and also planned attacks in the republic.