Today, two villages on the border with Turkey's Hatay province have been liberated from PYD/YPG.
On January 20, Turkey launched a military operation against the Kurdish People's Protection Units (YPG) militia in the Afrin region, backing Syrian rebels with air strikes and ground troops.
A number of US military advisers were present alongside local allied forces, and the Americans led a punishing response that other officials said killed about 100 of the assailants.
Air strikes killed six people in Eastern Ghouta, a pocket of towns and farmland east of Damascus where the death toll has climbed to more than 230 in the last four days - the area's deadliest week since 2015, according to the Syrian Observatory for Human Rights monitoring group.
Kurdish news sources said the the helicopter was shot down in Afrin's Rajo district.
The YPG said the Turkish army also targeted a slaughterhouse on Afrin's outskirts, heavily damaging the building and killing hundreds of sheep.
"It has been now nearly 60 days since we had the last convoy to a besieged area", Jakob Kern, the WFP country director in Syria, told Reuters in a phone interview from Damascus.
More than 270,000 people have been displaced in Idlib by the government onslaught since December 15, the United Nations said.
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Bombing raids resumed on several Eastern Ghouta towns on Friday morning after a few hours of calm.
"The Syrian regime is helping the Kurds with humanitarian support and some logistics, like turning a blind eye and allowing Kurdish support to reach some fronts", said the commander, who spoke on condition of anonymity.
More than 4,000 families live in basements and bunkers for fear of air strikes, according to Save the Children.
He counted the Islamic State (IS) among them, which his group along with the US-led coalition defeated in dozens of battles across swaths of land in eastern and northern Syria, including Raqqa and Manbij, two cities that had become the center for plotting attacks in Western countries.
He said that those responsible would pay for their actions.
"Children and teachers are terrified that at any moment they could be hit".
She called for an immediate end to the fighting, adding that the siege "means there is nowhere for them to escape".