Overview

• A man born in 1972 ignited a pyrotechnic device around 13:00 on the stretch between Troparyovo and Yugo-Zapadnaya stations.
• The ignition produced a loud pop inside the carriage, according to the Moscow police press service.
• Police detained the suspect on the spot and took him to a department to clarify the circumstances.
• Officials report no injuries and say no passengers sought medical assistance.
• An official inquiry is underway, and the prosecutor's office says it is monitoring progress and potential legal accountability.