RIA Novosti informs about this with reference to the press secretary of the court Irina Sofinskaya.

"The Basmanny Court granted the investigator's petition to impose a preventive measure in the form of detention against Gazi Isayev until January 4, 2021," she said. 

Isaev was previously charged in this case.

The investigation believes that he, being a member of the banned terrorist group "Imarat Kavkaz" *, in 2009-2010 reported to the terrorists on the work of the Kizlyar ROVD. 

In addition, he was involved in transporting the leaders of the group across the region, and he himself delivered one of the suicide bombers by car to the bus station to be sent to Moscow.

A double terrorist attack in the Moscow metro took place on March 29, 2010 at the Lubyanka and Park Kultury stations.

The explosions killed 40 people, and about 160 were injured.

* "Imarat Kavkaz" - the organization was recognized as terrorist by the decision of the Supreme Court of the Russian Federation of 08.02.2010.