Syria war: Why the battle for Aleppo matters

As featured in BBC News



Now, beleaguered rebels have demonstrated that the war is far from over. Syrian forces are exhausted, and depend on massive military support from Russian air power, militias led by Iran, and soldiers from the Lebanese group Hezbollah. Continued success might persuade Moscow and Tehran that they, too, will have to be willing to make greater compromises if they want a way out of the conflict.