RT News - May 6, 2017 (17:00 MSK)

As four de-escalation zones in Syria came into force at midnight local time, we look at the differences between the Russian and American proposals for no-fly zones in the country. Through the firewalls Leaked documents show the UK government has been planning to force Whatsapp and other communication services to unlock their security encryption. Facing a mountainous debt and a dwindling population, Puerto Rico declares the biggest bankruptcy in the history of the U.S.