Explosion at 56th Guards Training Center in Sertolovo
Site is 56th Guards District Training Center for drone operators and counter-drone specialists.
Explosion reported at 14:20 local time by Russian Telegram channels.
Images show second and third floors collapsed with debris.
At least three bodies recovered, two missing.
Governor Alexander Drozdenko confirmed the reports.
Cause under investigation.
One victim possibly crushed by concrete slab.
Emergency units from Russia's Ministry of Emergency Situations at the site.
1 week ago