The zone will be established by Oct. 15 and be 15-20 kilometers (9-12 miles) deep, with troops from Russia and NATO-member Turkey conducting coordinated patrols, President Vladimir Putin said at the end of a more than three-hour meeting with Turkish President Recep Tayyip Erdogan in Sochi.
It was not immediately clear how the deal would be implemented.
“I believe that with this agreement we prevented a great humanitarian crisis in Idlib,” Erdogan said at a joint briefing with Putin.
Turkey has been eager to prevent an assault by Syrian government troops in the province.
Putin said he believed the agreement on Idlib could hasten final resolution of Syria’s long and devastating civil war.
“We agreed that practical implementation of the steps we plan will give a fresh impetus to the process of political settlement of the Syrian conflict and will make it possible to invigorate efforts in the Geneva format and will help restore peace in Syria,” he said.
Asked whether Syrian President Bashar Assad’s government agreed with the Putin-Erdogan plan, Russian Defense Minister Sergei Shoigu told reporters in Sochi that “in the coming hours, we will agree with them on all the positions put forth in this document.”
Ahmed Ramadan, a spokesman for the Syrian political opposition in exile, said the agreement offered Russia a chance to walk back its threat against Idlib and represented a success for diplomatic pressure from Turkey and the United States, which was also against an offensive.
Ramadan also said the deal offers the Syrian government and Russia one of their main demands, which is securing the highway that passes through Idlib and links northern Syria with other cities. That was one of the government’s strategic aims in an offensive in Idlib.
“Turkey offered Putin a ladder with which to climb down from the tree, threatening a military offensive in Idlib that had little chance for success,” Ramadan said in a series of text messages with The Associated Press. “The Turkish and US serious pressures were the reason behind Russia abstaining from the offensive and offering an air cover which means Iran alone won’t be able to carry out the offensive with the overstretched forces of the Assad regime.”
He said Russia has also refrained from its accusations that the rebels are all terrorists. “Russia swallowed all its accusations,” he said. “Turkey is in a strong position.”
He said the zone would be enforced by Turkish patrols on the opposition side and Russian patrols on the government side.
Abu Omar, a spokesman for the Turkey-backed rebel group Faylaq al-Sham, thanked Erdogan for saving Idlib from an offensive and give the rebels time to defend their rebellion and people. Millions “of civilians in Idlib are in peace,” he tweeted.
He said he was confident that the deal “would not have been possible without the steadfastness of our people and fighters. Thank you, Erdogan.”
Russia has called Idlib a hotbed of terrorism and had said the Syrian government has the right to retake control of it. In recent weeks, Russian officials repeatedly claimed rebels in Idlib were preparing a chemical weapons attack that could be blamed on the Syrian government and prompt a retaliatory strike by the West.
Turkey had appealed to Russia and Iran, its uneasy negotiating partners, for a diplomatic resolution. At the same time, it has sent reinforcements to its troops ringing Idlib, a move designed to ward off a ground assault, at least for now.
Idlib and surrounding areas were quiet on Monday, a continuation of the calm that started less than a week ago amid Russia-Turkey talks. The area is home to more than 3 million Syrians, and an estimated 60,000 rebel fighters.
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Associated Press writers Sarah El Deeb in Beirut and Neyran Elden in Istanbul, Turkey, contributed.
