Russian authorities announced Wednesday they were “partially” restricting calls in messaging apps Telegram and WhatsApp, the latest step in an effort to tighten control over the internet.In a statement, government media and internet regulator Roskomnadzor justified the measure as necessary for fighting crime, saying that “according to law enforcement agencies and numerous appeals from citizens, foreign messengers Telegram and WhatsApp have become the main voice services used to deceive and extor...