Roskomnadzor will begin blocking the Telegram messenger on April 16, a source familiar with the agency's decision told Interfax.
“Roskomnadzor will send Telegram addresses to unload for telecom operators to block the messenger on Monday,” the agency’s interlocutor said.
Update . The head of Roskomnadzor Alexander Zharov said that Telegram will not be blocked today; according to him, this will happen "in a short time." According to the law, Roskomnadzor will be able to start blocking no earlier than April 15, notes , Vedomosti