BEIRUT—A dominant Syrian rebel group is seeking to rally other factions to continue a drive to overthrow President Bashar al-Assad, potentially complicating a U.S.-Russia brokered cease-fire deal slated to start Monday. The U.S.-Russia agreement, reached over the weekend, envisions a seven-day cease-fire starting Monday evening, during which time rebels must separate themselves from Syria Conquest Front or risk being targeted by...

Source: Wall Street Journal September 11, 2016 21:00 UTC