Russia on Thursday added Telegram founder Pavel Durov to a blacklist of "terrorists and extremists", a day after saying it was seeking his arrest over accusations he let his platform be used by Ukrainian intelligence. On Thursday, his name appeared on Russia's online register of "terrorists and extremists" -- a blacklist maintained by Russia's Rosfinmonitoring financial watchdog. Advertisement AdvertisementAdvertisement AdvertisementLawyers for Durov, 41, declined to comment when contacted by AFP on Wednesday about the FSB's allegations. Born in Saint Petersburg -- President Vladimir Putin's home city -- Durov founded VKontakte, a social media site widely known as "Russia's Facebook". Advertisement AdvertisementAdvertisement AdvertisementHe then launched Telegram after being forced out of VKontakte over clashes with Russia's authorities who sought tighter control.