Syria’s chemical weapons activity The suspected chemical attack in Douma – the last rebel-held town in Syria’s Eastern Ghouta – is the latest in a string of similar deadly assaults since an attack in August 2013 that killed more than 1,400 people Aug 21, 2013: Rockets carrying nerve agent sarin and other chemicals hit towns of Ain Tarma, Jobar, Muadamiya and Zamalka, killing 1,429 people Nerve agent Chlorine Mustard gas Phosphorus Other chemical weapon SYRIA LEBANON ISRAEL JORDAN TURKEY Damascus Deir al-Zour Raqqa Mediterranean Sea Homs Palmyra Kobane Dandaniya Mare’ Avdiko Hama Latakia Aleppo Idlib Ghouta Irbin Adra Hayan Sheikh Maqsood Khan al-Asal Douma Jobar/Ain Tarma Zamalka Wadi Barada Saraqib T4 Military Airbase Darayya Muadamiya Salqin Al-Tamanah Qminas Khan Sheikhun Sarmin Binnish Al-Lataminah Kafr Zita Halfaya Qasr Abu Samrah Al-Bayadah 60 miles 100km Sources: Arms Control Association, AFP, White House © GRAPHIC NEWS