Iraqi, Lebanese militias deploy to Syria's Aleppo

Iran-backed militant groups from Lebanon and Iraq are deploying hundreds of additional fighters to front lines in the Syrian city of Aleppo, Iranian media and militia officials said Monday, after Syrian rebels breached a government-imposed siege and cut a key government route to the contested city over the weekend.

The reinforcements by at least four groups, described by officials and state media as "elite," will shore up Syrian President Bashar Assad's forces there as fighting over control of the city intensifies.

Rebels breached the Syrian government siege on opposition neighborhoods in the city of Aleppo Saturday, opening a corridor in the south and marking a...