Syrian armed groups have launched a large-scale attack on areas controlled by government forces, setting off fierce clashes for a second day and seizing territory in Western Aleppo, government and opposition factions said on Thursday.

Syria's opposition groups say armed forces launched a large-scale attack on areas controlled by government forces and seized territory in northwestern Syria

Scores of people were killed after forces opposed to the government of President Bashar al-Assad overtook a Syrian military base, a monitoring group reported.

Russian forces in Syria are under attack from rebel groups in the Syrian capital, Aleppo, in response to increased strikes.

Syrian armed groups have launched a large-scale attack on areas controlled by government forces, setting off fierce clashes for a second day and seizing territory in Western Aleppo, government and opposition factions said Thursday.

At least 18 people have been killed in fighting between Islamist rebels and Syrian government troops in north-west Syria, activists and a monitoring group said Wednesday. The Syrian Observatory for Human Rights said members of Hayat Tahrir al Sham,

Syrian armed groups opposing the government forces and the regime of dictator Bashar al-Assad have launched a large-scale offensive in Aleppo province. The rebels have seized control of several settlements in the country's northwest,

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,