Syrian rebels from Hayat Tahrir al-Sham have entered Aleppo, the second-largest city in Syria, according to reports from the AP agency and the Syrian Observatory for Human Rights. Earlier, the militia detonated two explosive devices and clashed with government forces.

Syrian rebels have reportedly breached the city of Aleppo itself, according to open source analysts and the Syrian Observatory for Human Rights, as thousands of insurgent fighters make startling advances in their surprise offensive against President Bashar al-Assad's regime in northwestern Syria.

Syrian rebels from Hayat Tahrir al-Sham have entered Aleppo, Syria's second-largest city, according to AP, citing the Syrian Observatory for Human Rights. Earlier, the militia detonated two explosive devices and clashed with government forces.

Syrian rebels have launched a large-scale attack on regime forces in western Aleppo, according to a Free Syrian Army source and local residents.

Armed Syrian opposition groups shelled Aleppo Friday, in a major offensive against government troops that has sparked some of the deadliest fighting in years.

Syrian armed groups have intensified attacks on government-held areas in Western Aleppo, initiating intense clashes for a second consecutive day. Led by Hayat Tahrir al-Sham (HTS), which dominates much of northwest Syria,

Militant rebels in Syria overran an army base and took over at least 13 villages, in one of the biggest flare ups in violence in years in the north-east of the country. The rebels launched a surprise attack on the Syrian army in the northern province of Aleppo,