Fighters from Hezbollah and Iraq’s Shiite militias have deployed to Syria to support government forces, but it’s unclear if they are capable of turning the tide.

The loss of Aleppo to Islamist rebels represents a stunning defeat for the Syrian regime, highlighting its dependence on enfeebled allies.

Lebanon's Hezbollah has been significantly degraded militarily by Israel, but the Iran-backed group will likely try to rebuild its stockpiles and forces and pose a longterm threat to the U.S. and its regional allies,

Israel issued a warning at Lebanon that it will not long distinguish between Beirut and Hezbollah should the cease-fire between Jerusalem and the terrorist group collapse following an exchange of strikes.