The Syrian capital's enjoyed a rare night of peace, as a plan for safe zones in the country, drawn up by Russia, Turkey and Iran, came into force at midnight, Damascus time. <br /><br />The plan includes establishing no-fly zones in four areas of de-escalation. But RT's Murad Gazdiev looks at how the definition of what a no-fly zone is, seems to depend on who's proposing it.<br /><br />RT LIVE http://rt.com/on-air<br /><br />Subscribe to RT! http://www.youtube.com/subscription_center?add_user=RussiaToday<br /><br />Like us on Facebook http://www.facebook.com/RTnews<br />Follow us on Twitter http://twitter.com/RT_com<br />Follow us on Instagram http://instagram.com/rt<br />Follow us on Google+ http://plus.google.com/+RT<br />Listen to us on Soundcloud: https://soundcloud.com/rttv<br /><br />RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.