“The Judicial Board rejected the cassation appeal of the lawyers of the convicts,” RIA Novosti was told in the press service of the court.

Earlier, the court sentenced Abror Azimov, the main defendant in the case of the terrorist attack in the St. Petersburg metro in April 2017, to life imprisonment.

As reported, he pleaded not guilty during the trial.

The other ten defendants in this case were sentenced by the court to various prison terms.

They received from 19 to 28 years in prison.

On April 3, 2017, an explosion occurred in the St. Petersburg metro.

As a result, 16 people were killed (including the suicide bomber), more than 50 were injured.