WhatsApp on Thursday said Russia had attempted to "fully block" its service, with 100 million users affected. The Kremlin later confirmed the move.

WhatsApp criticised Russia's decision to ban the messaging app, saying the move would cut over 100 million users from “private and secure” communication, and could also lead to “less safety” for peopl...

Telegram, another popular foreign-owned messaging app, has also been hit by efforts to limit its access.