BEIRUT—Syria’s antigovernment rebels claimed a stunning advance into Aleppo, a major symbolic and strategic prize, in a setback for the government in Damascus and its allies Russia and Iran.

Syrian rebels have breached the city of Aleppo, with thousands of insurgent fighters making startling advances in their surprise offensive against President Bashar al-Assad's regime in ...

Syrian rebel fighters defended their gains in Aleppo on Saturday, a day after breaching the city, while pushing south toward Hama and claiming control of government-held areas along the way.

Arab media outlets reported on Thursday evening that Israel struck facilities belonging to the Syrian Ministry of Defense, east of the city of Aleppo. The Saudi television channel Al-Hadath ...