“I ask you to plead guilty and appoint life imprisonment to Abror and Akram Azimov, Muhamadiusup and Ibrahim Ermatov,” said state prosecutor Nadezhda Tikhonova.

According to her, "the social significance of the crimes committed is colossal."

“They were aimed at creating an atmosphere of fear in society, the severity of attacks is comparable to crimes against peace,” Tikhonova said.

Earlier, kp.ru reported that the hearing of the St. Petersburg metro attack, scheduled for November 14, was postponed due to the absence of four lawyers.

In July, experts recognized all those accused of committing a terrorist attack in St. Petersburg metro as sane.

On April 3, 2017, an explosion occurred in the St. Petersburg metro. As a result, 16 people died (including a suicide bomber), more than 50 were injured.