Russia has opened an investigation into Telegram founder Pavel Durov for "abetting terrorist activities," [non-paywalled source] in the latest sign that his uneasy relationship with the Kremlin has broken down. From a report: Two Russian newspapers, including the state-run Rossiiskaya Gazeta and Kremlin-friendly tabloid Komsomolskaya Pravda, alleged on Tuesday that the messaging app had become a tool of western and Ukrainian intelligence services.

The articles, credited to materials from Russia's FSB security service, accused Telegram of enabling attacks in Russia and said that Durov's "actions ... are under criminal investigation." Russia has restricted Telegram's functions, accusing it o...