Qualla: Khan Shaykhun Chemical Attack

Khan Shaykhun Chemical Attack: Introduction

Fri, 27 Mar 2026 00:00:00 GMT

It was 6:30 in the morning, before most children had left for school. A series of airstrikes hit the town of Khan Shaykhun in Syria's Idlib Governorate on 4 April 2017. Three of the bombs carried conventional explosives. The fourth, which struck a road, carried sarin -- a nerve agent that kills by shutting down the body's ability to control its own muscles. Within ten minutes, residents reported a strange odor drifting through the streets. Then the convulsions started, the foaming at the mouth, the paralysis. By the time the morning was over, at least 89 people were dead -- 18 women and 33 children among them -- and more than 541 were injured. It was the deadliest use of chemical weapons in the Syrian Civil War since the Ghouta attack of August 2013.

Khan Shaykhun Chemical Attack: Before the Dawn

Fri, 27 Mar 2026 00:00:00 GMT

Khan Shaykhun did not exist in isolation. The town sat in a region that had been under intensified aerial bombardment for weeks as the Syrian government and its Russian ally fought to capture the last rebel-held towns in the northern Hama Governorate. Five days before the sarin a...

Khan Shaykhun Chemical Attack: What Sarin Does

Fri, 27 Mar 2026 00:00:00 GMT

Sarin is an organophosphate nerve agent that inhibits the enzyme acetylcholinesterase, which normally breaks down the neurotransmitter acetylcholine after it has transmitted a nerve impulse. Without that enzyme, muscles receive continuous stimulation: they contract and cannot rel...

Khan Shaykhun Chemical Attack: Assigning Responsibility

Fri, 27 Mar 2026 00:00:00 GMT

The OPCW-UN Joint Investigative Mechanism concluded that the Syrian government carried out the attack. Chemical markers in the sarin samples matched Syria's known stockpile. The UN's Independent International Commission of Inquiry identified the aircraft as a Sukhoi 22 jet -- a t...

Khan Shaykhun Chemical Attack: Fifty-Nine Cruise Missiles

Fri, 27 Mar 2026 00:00:00 GMT

Seventy-two hours after the attack, on the morning of 7 April 2017, the United States launched 59 Tomahawk cruise missiles at Shayrat Air Base, which American intelligence identified as the origin point for the chemical strike. It was the first intentional U.S. military strike ag...