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Russia detains teenager following US warning of Moscow attack plot

Russian security forces have arrested a minor after receiving intelligence from the United States regarding a potential mass-casualty attack on Moscow. The FSB said the suspect had posted photographs of himself at a prominent Moscow cultural site.

LSN Malaysia · 1 November 2026

Russia detains teenager following US warning of Moscow attack plot

Russia's Federal Security Service (FSB) announced the detention of a teenager in connection with a security threat following a warning from the United States about a possible attack in the Russian capital. According to the FSB, the minor had posted images of himself at the Tsaritsyno Museum Reserve, a popular historical site in Moscow.

The arrest comes after American authorities alerted Russian counterparts to intelligence concerning a planned mass-casualty event. The specific details of the alleged threat remain unclear, though Russian security services treated the warning with sufficient seriousness to conduct the arrest.

The case represents another instance of international security cooperation between Moscow and Washington, despite ongoing tensions between the two countries. US and Russian intelligence agencies have periodically shared threat information when public safety concerns override political differences.

It was unclear whether the teenager faced formal charges or what evidence authorities possessed regarding the alleged plot. Russian media reports indicated the FSB's investigation was ongoing.