Syrian President Bashar al-Assad and his allies are fighting to recapture the southwest, one of the last remaining rebel strongholds in Syria along with a region of the northwest bordering Turkey.
On Friday afternoon, Syrian rebels confirmed that a deal was reached with Russian and Jordanian negotiators to end the offensive in Daraa Province, and bring the region back under de facto government control.
State-run Ikhbariya TV showed troops at the crossing Saturday, some flashing victory signs and pumping fists in the air, AP reported.
On another wall, Syrian soldiers put a military boot over the rebels' flag, another message that the army has defeated the militants. Another tore down the rebel flag from a building.
Vehicles are seen near Nasib border crossing between Jordan and Syria, Marafaq, Jordan, July 6, 2018, in this still image obtained from a video.
An Associated Press journalist escorted by the Syrian army on Saturday saw troops setting up checkpoints along the largely deserted road leading up to the crossing, full of potholes from shelling; they removed sand barriers and burnt out cars by its side.
In order to help migrants, the government also established humanitarian corridors and temporary shelters in southern districts. Some were partially burned, windows were broken and looting appeared to have been pervasive. And now Russian military police will deploy to Daraa to guarantee the ceasefire and ensure the rebels give up their heavy weaponry.
On Friday, regime forces retook control of the Nassib border crossing with Jordan.
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A regime air strike on the rebel-held half of the provincial capital of Daraa also killed one civilian, he said. Broken glass littered streets lined with bombed out houses.
The Syrian Negotiations Commission said Russia, Damascus' most significant ally, refused to let Syrian forces and Iranian fighters withdraw from captured areas to aid evacuations.
State-run news agency SANA said Friday that the Syrian government, not Russian Federation, had reached the deal with the rebels.
Earlier this week, Israel said it would not allow Syrians fleeing southern Syria to find refuge in territories under its control.
Israel said it had targeted a Syrian army post that shelled a frontier "buffer zone" in the Golan area.
The UN refugee agency (UNHCR) on Thursday warned that 320,000 people have been displaced by increased hostilities in southwest Syria while another 750,000 risk being caught in the crossfire.