Smoke billows in the town of Douma, the last opposition holdout in Syria's Eastern Ghouta, on April 7, 2018, after Syrian regime troops resumed a military blitz to pressure rebels to withdraw- AFP
CAIRO – 10 April 2018: US Defense Secretary James Mattis said Monday his country has not ruled out launching airstrikes against Syrian President Bashar al-Assad's regime in response to the weekend's suspected chemical gas attack on civilians, CNN reported.
"I don't rule out anything right now," Mattis told reporters at the Pentagon.
"The first thing we have to look at is why are chemical weapons still being used at all when Russia was the framework guarantor of removing all chemical weapons," Mattis continued.
Syrian activist groups on Saturday said toxic gas inside barrel bombs dropped from helicopters over a rebel-held city in Syria killed dozens of civilians and wounded scores more. Syrian state news said an official source denied the allegations.
Trump on Sunday warned Syria and its two closest allies, Russia and Iran, of a "big price to pay" following the attack.