US Secretary of State John Kerry and Russian Foreign Minister Sergey Lavrov reached on Saturday a landmark agreement which would see both countries greatly enhance cooperation in a bid to end the five-year-old Syrian conflict.
UN-Arab League peace envoy Lakhdar Brahimi is scheduled to arrive in Beijing on Tuesday for a two-day visit as airstrikes continued in Syria.
Remorseless violence reported across Syria have practically unravelled a UN-backed cease-fire deal, with government forces and armed groups blaming each other for the incessant fighting, now in its 19th month.
The Syrian army said Sunday the armed groups in Syria have gone so far in their flagrant violations to the cease-fire.
Syria's state-TV on Sunday denied as "totally untrue" reports by the Saudi-funded al-Arabyia TV that the armed rebels in the northern province of Aleppo have taken control over a headquarters of Syrian air force intelligence.
Fighting raged near a military base in Syria's north as a cease-fire in the bloody civil war began on Friday at dawn.
Members of the UN's Commission of Inquiry (CoI) on Syria on Thursday said they have decided to send a letter to Syrian President Bashar al-Assad to demand a meeting with the Syrian leader.
The Syrian army and the armed rebels on Thursday voiced commitment to the internationally-backed cease-fire during the Muslim holiday.
Nineteen-months into the conflict, a rare chance has come for Syria to stop all violence and begin political dialogue to put the unrest-stricken Middle East country back on track.
Syria's Foreign Ministry said Tuesday that Syria is ready to discuss a cease-fire during the Muslim Eid al-Adha, according to local media.
A loud blast was heard after midnight Monday in the Damascus district of al-Mazzeh, the second to rock the capital within hours, witnesses say.
Another Syrian mortar shell fell inside the Turkish territory on Sunday, prompting the retaliatory artillery fire by the Turkish army in a fifth straight day, local newspaper Today's Zaman reported.
Four blasts ripped through a government-controlled district close to a military officers' club in the northern Syrian city of Aleppo, killing at least 48 people and wounding more than 90 on Wednesday, opposition activists said.