Syrian and Russian warplanes bombed rebel-held areas in Aleppo and Idlib province overnight, a monitor said, a day after Moscow announced a fresh offensive against opponents of its Damascus ally.
The wife of Syria's President Bashar al-Assad said in an interview her husband's foes had offered her the chance to flee Syria in order to try to shake confidence in him, but that she had not left the country since the war erupted.
Russia is sending more warplanes to Syria to further ramp up its campaign of air strikes, a Russian newspaper reported on Friday, as Moscow defied global censure over an escalation that Western countries say has torpedoed diplomacy.
Syria's ceasefire "will not hold out", a senior rebel official in Aleppo warned on Saturday, as air strikes and shelling continued in some places and promised aid deliveries failed to come through.
Syrian regime forces and rebel factions sent hundreds of reinforcements to Aleppo on Monday as opposition fighters announced an all-out offensive to take the country's second city.
Saudi Arabia warned Thursday that any military cooperation between the United States and Russia in Syria must help advance a political transition to end the war without Bashar al-Assad in power.
Paris prosecutors have charged the uncle of Syrian President Bashar al-Assad with corruption, an anti-graft group said Tuesday.
Iran has arrested 10 Sunni Muslim militants who were planning to bomb 50 targets across the country, Iranian intelligence minister Mahmoud Alavi said on Tuesday, according to the Fars News site.
Russian President Vladimir Putin said on Friday he agreed with US proposals to incorporate parts of the opposition into the current Syrian government, saying President Bashar al-Assad accepted there was a need for a political process.
Syrian President Bashar al-Assad denied media reports that Russia had drawn up a new constitution for his country and presented it to his government as part of international efforts to end the long conflict.
A 48-hour ceasefire took hold on Thursday in Syria's battered second city of Aleppo after President Bashar al-Assad's regime and rebel forces gave in to mounting diplomatic pressure.
The world will not stand by as Syrian President Bashar al-Assad and his foreign allies massacre civilians in Aleppo, Saudi Foreign Minister Adel al-Jubeir warned in Geneva.