They have stepped up their military offensive on the remaining opposition pockets in the southwestern region that includes Daraa and Quneitra provinces, which straddle the border with Jordan and the frontier with the Israeli-occupied Golan Heights.
In recent months and backed by Russian air force, the Syrian government has restored control of over 60 percent of previously rebel-held territory across the country.
Dozens of Syrians who approached Israel's frontier fence on the Golan Heights in an apparent attempt to seek help or sanctuary, began walking back towards nearby refugee encampments after being warned off by the Israeli military.
Opposition sources said negotiators from a rebel coalition spearheaded by Syria's former al Qaeda offshoot Nusra Front, and Iran's Revolutionary Guards had agreed all residents would be evacuated from the mostly Shi'ite villages of al-Foua and Kefraya in Idlib province.
The violence is taking place a few kilometers away from the line marking the start of the United Nations Disengagement Observer Force zone, an area monitored by a U.N. force since 1974 in the wake of the Arab-Israeli War.
Fakih said Israel's response to developments along the border falls short of what is required to alleviate the suffering of displaced Syrians.
Ahmad Masalmeh, a media activist formerly based in the southern city, says fighters have the option of accepting an offer of amnesty from the government, or leaving Daraa with their families to other rebel-held parts of the country. "We will liberate all Syria", said one of them.
Syrian troops have now turned their attention to the last province bordering the Golan Heights which is occupied by Israel.More news: Antonio Conte thankful for "unforgettable" Chelsea memories
The Syrian government reached a reconciliation agreement Wednesday with rebels in Nawa, in southern Daraa province.
Government troops are also seeking to advance on another town to the south through negotiations with rebels there.
"[Our] strategic policy helps the region's people, including the people of Iraq, Syria and Lebanon and therefore is not the Zionist regime's concern", Velayati stated. Population transfers have been a common feature of the seven-year Syrian war, which has killed an estimated half a million people and driven some 11 million people from their homes.
But a rebel official in Quneitra denied Syrian forces had taken the village and said fighting continued.
Rebels in Nawa, where tens of thousands of people live, are in talks with Russian Federation for a potential handover deal too, according to the Observatory.
The article was published Monday as Israel reportedly launched another attack against Iranian forces in Syria, this time in Aleppo. Syrian state TV al-Ikhbariya said 10 buses carrying 407 people left for northern Syria.
Russian Federation is supporting Assad's forces in its military campaigns around Syria.