Add Yahoo as a preferred source to see more of our stories on Google. The Telegram app icon can be seen on the screen of a smartphone. Fabian Sommer/dpa Moscow's domestic intelligence service, the FSB ...

Add Yahoo as a preferred source to see more of our stories on Google. The Telegram app icon can be seen on the screen of a smartphone. Fabian Sommer/dpa The Russian telecommunications regulator ...

Moscow claimed the alleged spook had been involved in 'intelligence and subversive activities'. The Foreign Office said it was 'completely unacceptable' .

Moscow's domestic intelligence service, the FSB, has categorized the online platform Telegram, which is used by millions of people in Russia, as a security risk. The Russian military has repeatedly ...