Wednesday, August 17 2016 15:00 EEST
Russia's FSB conducting an operation at a residential building in the northern city of St. Petersburg
Russia, FSB, operation, Saint Petersburg, detain, group, North Caucasus, gunshots, explosions, St.Petersburg, security raid

Russian security forces are conducting security raid in Saint Petersburg.

The Federal Security Service (FSB) said the August 17 operation is aimed at detaining alleged members of an illegal armed group based in Russia's volatile North Caucasus region, RFE/RL reports.

Eyewitnesses informed that the builkding was surrounded by people wearing special operations troops uniform. They brought in many white sackes. People are let out of the building, but are not let back in without explanation.

According to social media reports, gunshots and explosions were heard at the scene.

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