Abror Azimov is one of two brothers accused of involvement in a deadly subway bombing in St. Petersburg that killed 16 people, including the bomber.

The suspects, Akram and Abror Azimov, claim they were subjected to electric shocks, simulated drowning, and beatings at the facility allegedly used by Russia’s powerful Federal Security Service (FSB), according to an appeal to federal authorities filed by their lawyers earlier this month.

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