The Syrian city of Aleppo is witnessing some of its fiercest battles since the conflict began there over four years ago.
This comes amid a humanitarian pause setup by Russia, which has been used by rebels to launch a deadly offensive on the government-held west.
That's been ongoing for a week, and it's forced the Syrian army into a response.
RT LIVE http://rt.com/on-air
Subscribe to RT! http://www.youtube.
Like us on Facebook http://www.facebook.com/RTnews
Follow us on Twitter http://twitter.
Follow us on Instagram http://instagram.com/rt
Follow us on Google+ http://plus.google.
Listen to us on Soundcloud: https://soundcloud.
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..