On 8 August, the head of the Russian Federal Security Service (Federalnaya Sluzhba Bezopasnosti, FSB), Alexander Bortnikov, said that the threat of attacks by the Islamic State and other Islamist militant groups originating in the North Caucasus persisted, but that security in public areas had been increased.
His statement followed a report by the FSB a day earlier that seven individuals from Central Asian countries, arrested on 28 July in St Petersburg on terrorism charges, had attempted to derail a Sapsan high-speed train. The Moscow-St Petersburg Sapsan train, which travels at speeds of up to 250 km per hour, was reportedly targeted by the group for derailment and collision with another train outside Farforovskaya station in southeastern St Petersburg.
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