Russia's state media regulator, Roskomnadzor, has tightened restrictions on the messaging app Telegram, accusing it of failing to combat fraud and protect user data, as users report service disruptions.

Soldiers and pro-war military bloggers have accused Roskomnadzor of undermining vital coordination between military personnel on the battlefield.

The state regulator claimed the messaging app failed to crack down on third-party services that gather and sell the personal data of Russians.