Turkish Foreign Minister Mevlut Cavusoglu spoke by phone with U.S. Secretary of State John Kerry on Saturday and told him that Turkey welcomes a U.S.
The United States and Russian Federation announced a deal Saturday that would establish a nationwide cease-fire starting on Monday, followed a week later by an new military partnership targeting Islamic State and al-Qaida militants as well as the establishment of new limits on the forces of Syrian President Bashar Assad forces.
Lebanon's militant Hezbollah group, which is taking part in Syria's civil war, says it supports the cease-fire but vows to continue fighting against the Islamic State group and al-Qaida's affiliate.
The government advance further sealed off Aleppo's opposition-held eastern districts, and regime troops backed by the Russian air force have completely encircled opposition-held neighbourhoods, leaving the civilian population completely cut off.
But Captain Abdul Salam Abdul Razak, a spokesman for the rebel Nour al-Din al Zinki Brigades, said the deal would only help the Syrian army to gather forces and send more Iranian-backed fighters into Aleppo.
Only if commitments by Moscow and the Assad regime to cease violence for seven days are "fully met" will the U.S. and Russian Federation start cooperating with joint strikes, the Pentagon said in a statement following the announcement.
"Today, the United States and Russian Federation are announcing a plan which we hope will reduce violence, ease suffering and resume movement towards a negotiated peace and a political transition in Syria", Kerry said.
Turkey is hailing a new U.S.
A senior member of the main Syrian opposition umbrella group said Saturday it hopes a new U.S.
Jabhat Fatah al-Sham, one of the most powerful factions in Syria, is part of the Fatah Army coalition that played an instrumental role in the fighting against Assad's forces over the past year in northern Syria.
Mr Kerry and Mr Lavrov have met four times since 26 August - and Moscow has been pressuring the Assad regime to suspend offensive operations against civilian areas and Syria's armed opposition.
"The entire agreement was reached with the knowledge of the Syrian government", SANA wrote.
Kerry said this "new equation" offers an opportunity to find a peaceful solution and reverse the current trend of "creating more terrorists" and more destruction.
"The Syrian government has been informed of these arrangements and is ready to fulfill them", Lavrov said at a news conference alongside Kerry after midnight.
Russian Foreign Minister Sergei Lavrov said that despite continuing mistrust, the two sides had developed five documents that would enable coordination of the fight against terrorism and a revival of Syria's failed truce.
"Going after Nusra is not a concession to anybody", Kerry said.
The accord calls for a halt to fighting across Syria and increased humanitarian assistance for the people in the battered city of Aleppo. "We will be watching closely the implementation of this understanding in the days ahead", Cook said. Forty days of fighting in Aleppo has killed almost 700 civilians, including 160 children, according to a Syrian human rights group.