?? UN envoy: Violent, worrying, dangerous moment in Syria

The UN's envoy for Syria has warned that violence in the war-torn country is the worst he has seen since taking the job four years ago. Staffan de Mistura's briefing at the Security Council prompted more finger pointing between the US and Russia - who accuse each other of blocking paths to peace. Al Jazeera's James Bays reports from the UN in New York. - Subscribe to our channel: http://aje.io/AJSubscribe - Follow us on Twitter: https://twitter.com/AJEnglish - Find us on Facebook: https://www.facebook.com/aljazeera - Check our website: http://www.aljazeera.com/