MOSCOW, February 1 (RAPSI) – The Moscow City Court on Monday upheld the detention of Dmitriy Buchenkov, who stands accused of participation in the riots on Bolotnaya Square on May 6, 2012 and attacking police officers, RAPSI reported from the courtroom.

Buchenkov will remain in jail until June 2.

Over 400 people were arrested and scores were injured in the authorized Bolotnaya Square protest that turned violent in May 2012. Dozens were later charged with inciting mass riots and battery against law enforcement officers.

Riot organizers Leonid Razvozzhayev and Sergei Udaltsov were sentenced to 4.5 years in prison each.

Other defendants in the case received prison terms ranging from suspended sentences to four years. Several defendants were pardoned; one is undergoing compulsory mental treatment.