MOSCOW, January 20 (RAPSI) – The Zamoskvoretsky District Court of Moscow on Monday finished the hearing of May 2012 protest rally in central Moscow's Bolotnaya Square, the closing argumants will be presented on January 22, attorney Dmirty Agranovsky told RAPSI.

Twelve suspects were on the indictment, four were pardoned under the recent presidential amnesty during the trial. The remaining defendants face assaulting the police charges as well as participating in riots.

Over 400 people were arrested and scores injured in the Bolotnaya Square protest that turned violent on the eve of Vladimir Putin’s inauguration to a third presidential term in May 2012. Dozens were later charged with inciting mass riots and using violence against law enforcement officers.

Left Front leader Sergei Udaltsov has been accused of organizing the riots and using violence against police during the rally. In October 2012, he was ordered not to leave the city. He was placed under house arrest in February 2013. In December, the Moscow City Court sent the case against Udaltsov and co-defendant Leonid Razvozzhayev, to prosecutors for further investigation based on errors that had been revealed. In so holding, the court satisfied a motion filed by Udaltsov and Razvozzhayev.