Smoke billows from burning tires as a Syrian rebel fires towards regime forces during clashes in the northern city of Aleppo. Photographer: Javier Manzano/AFP via Getty Images
Smoke billows from burning tires as a Syrian rebel fires towards regime forces during clashes in the northern city of Aleppo. Photographer: Javier Manzano/AFP via Getty Images
%7Cutmccn%3D(direct)%7Cutmcmd%3D(none);&utmn=152167891&utmp=%2Fphoto%2F2012-12-07%2Fu-s-agrees-with-russia-to-back-mediation-on-syria-civil-war&utmhn=10.248.179.14&utmac=UA-11413116-12&utmhid=277092502)