Deadly explosion rocks Russian military site near St Petersburg
An explosion at a Russian military police facility in Sertolovo, near St. Petersburg, caused the collapse of several floors on Tuesday, February 17, 2026.

Briefing Summary
AI-generatedAn explosion at a Russian military police facility in Sertolovo, near St. Petersburg, caused the collapse of several floors on Tuesday, February 17, 2026. Russian media sources report at least three fatalities and several injuries. The cause of the blast is currently under investigation by the Leningrad Governor and Russia's Investigative Committee, who have opened a probe into potential fire safety violations. Soldiers and security forces have been deployed to the scene to clear debris and search for potential victims, amid fears of further collapse. The incident occurred as US-brokered Russia-Ukraine peace talks began in Geneva. Russia has experienced a number of sabotage attacks on military and civilian infrastructure since the start of the invasion of Ukraine.
Article analysis
Model · rule-basedKey claims
5 extractedThe blast occurred as another round of United States-brokered talks between Russia and Ukraine started in Geneva, Switzerland.
Russia’s Investigative Committee opened an investigation into a potential fire safety violation.
The cause of the collapse is under investigation.
An explosion at a Russian military police facility near St Petersburg has caused several floors of the building to collapse.
At least three people were killed and several wounded in the blast on Tuesday in the town of Sertolovo.