Islamic State fighters captured territory from Syrian rebels near the Turkish border on Friday and inched closer to a town on a supply route for foreign-backed insurgents fighting the jihadists, a monitoring group said.
A ceasefire in the northern Syrian city of Aleppo will be extended by 48 hours beginning at 1 a.m. on Tuesday (2200 GMT Monday), state news agency SANA said on Monday, quoting the Syrian military high command.
Russia's defence ministry said a "regime of calm" truce in the northern Syrian city of Aleppo and parts of Latakia province had been extended "for 72 hours beginning at 1 am on Saturday" (2200 GMT on Friday), Syrian state
US Secretary of State John Kerry said on Monday talks were closer to extending a Syrian truce to Aleppo, the divided northern city where a sharp escalation of violence in recent weeks has torpedoed peace talks.
Kerry was in Geneva
Government air strikes hit rebel-held areas of Aleppo on Saturday as rockets fired by insurgents pounded neighbourhoods under state control, part of escalating violence in northern Syria that has undermined a truce agreement.
Syrian rebels and the Al Qaeda-affiliated Nusra Front have mounted an offensive against Syrian government forces and on Saturday took a strategic hill south of Aleppo from government control, a monitoring group said.
World powers pressed Russia to stop bombing around Aleppo in support of a Syrian government offensive to recapture the city and a Western official said Moscow had presented a proposal envisaging a truce in three weeks' time.
Hundreds of thousands of civilians could be cut off from food if Syrian government forces encircle rebel-held parts of Aleppo, the UN said on Tuesday, warning of a massive new flight of refugees from a Russian-backed assault.
Russian and Syrian government forces gained ground north of Aleppo on Saturday, intensifying an assault on rebel-held areas that has prompted tens of thousands more Syrians to seek refuge across the border in Turkey.
The assault a
A United Nations envoy halted his attempts to conduct Syrian peace talks on Wednesday after the army, backed by Russian air strikes, advanced against rebel forces north of Aleppo, choking opposition supply lines from Turkey to the city.