A court in Moscow arrested 18 people on charges of involvement in a terrorist attack on the Crocus City Hall concert hall in the Russia's Moscow region, the Basmanny court decision on the arrest of the suspects says, Paralel.Az reports.

According to the information, 20 people were charged in the criminal case, 18 of them were taken into custody, and two were given a preventive measure in the form of a written undertaking not to leave the place and proper behavior.