Israel Defense Forces extract 98 White Helmets and 324 others from recently recaptured southwestern Syrian territory into Jordan, at the request of Canada and the United States. Canada, the United Kingdom and Germany offer refuge to some of them. Two other groups intended for rescue, comprising about 800 people, do not escape.
- Iran is invited to attend the next round of talks over Syria's future, along with the representatives from the United States, Russia, Saudi Arabia, Turkey, Britain, France, Germany, Jordan, the United Arab Emirates, and the United Nations mediator for Syria, Staffan de Mistura. The next round of the "Vienna II" meeting is expected to start tomorrow and continue Friday in Vienna, Austria.
- The United States, France, and the United Kingdom target chemical weapon sites and other Syrian military sites with missile strikes on early Saturday morning Syrian time (EET), in response to the Douma chemical attack.
- The United Nations Security Council meets amid concerns of military strikes in Syria by the United States and its allies following a suspected chemical weapons attack in Syria last weekend, with the United States ambassador to the UN, Nikki Haley, accusing Russia of lies and covering for the government of Syrian President Bashar al-Assad, which she said had used chemical weapons at least 50 times in the past seven years of warfare, and the Russian ambassador to the UN, Vassily Nebenzia, blaming the United States, France and the UK for escalating tensions.
- A roadside bomb in Syria kills one British and one U.S. soldier and injures five more coalition personnel. It is the first death of a British soldier fighting ISIL.
- British, American and German men are among a group of international volunteers who travelled to Afrin to fight against Turkish-led forces in north-west Syria.