In Novokuznetsk, a boy, on a mission, set fire to a communication box on a railroad.
A 15-year-old Kuzbass resident was involved in the crime through a Telegram dating chatbot.
A criminal case of sabotage has been opened, the Eastern Interregional Transport Directorate of the Investigative Committee of the Russian Federation reported.
"The minor set fire to a transportation infrastructure facility in the Novokuznetsk-Novokuznetsk-Vostuchny section," the department said.
They added that the boy was arrested by the officers of the FSB department of Kemerovo region and the transport police. He was accused.