The military commander of the Syrian insurgent group Nour al-din al-Zinki Battalion has been killed, the group said in a statement Monday. Nasif Ismail was killed fighting in southern Aleppo, where a major ground offensive by Syrian army troops seeking to regain rebel-held...

Trucks loaded with humanitarian aid entered four besieged Syrian towns and villages as part of a deal agreed last month between Syria's warring sides with U.N. help, local sources and the International Committee of the Red Cross (ICRC) said on Sunday. A total of eight trucks...

At least 40 Islamic State fighters have been killed in an air strike on their convoy in the Syrian province of Hama, Reuters reported on Sunday. The attack, which took place on Saturday, also destroyed 16 vehicles in the convoy, said the Syrian Observatory for Human Rights, which monitors...

An airstrike by the U.S.-led coalition has killed Sanafi al-Nasr, a Saudi citizen and the leader of an al Qaeda offshoot called the Khorasan Group, a Pentagon spokesman said Sunday. The Pentagon said al-Nasr organized routes for new recruits to travel from Pakistan to Syria through Turkey and...