Past chemical attacks
Tuesday’s strike in Idlib was the latest instance in a long list of chemical warfare in the Syrian civil war. Here are five major such attacks which took place in the country
APR 4, 2017 KHAN SHEIKHOUN TOWN, IDLIB
72 people killed, hundreds injured in what doctors say could be a nerve gas attack. Witnesses say the attack was carried out by either Russian or Syrian Sukhoi jets. Both countries deny responsibility
APR 7, 2016
ALEPPO
23 killed, over 100 injured in a chemical attack by Islamic State against the Kurdish People's Protection Units. Videos show a yellow gas rising above the neighbourhood after the attack
AUG 21, 2013
Muadamiyat al-Sham and Zamalka, DAMASCUS
Over 800 people killed after 330mm rockets loaded with nerve agent sarin strike the area. Then UN secretary general Ban Ki Moon calls the attack a war crime
DEC 23, 2012
AL-BAYYADA, HOMS
7 killed in what is possibly the first instance of chemical warfare in Syria that led to casualties. US officials suspect nerve gas Agent 15 used by government troops but the White House is unconvinced
MARCH 19, 2013 KHAN AL-ASSAL, ALEPPO
26 killed and 86 injured after a rocket with nerve agent sarin strikes the area. The Assad government and rebels accuse each other of carrying out the attack —Russia holds the rebels responsible, while the US blames the government