The mission of the United Nations Office for the Coordination of Humanitarian Affairs (OCHA) is to mobilize and coordinate effective and principled humanitarian action in partnership with national and international actors. launched hundreds of shells on civilian-populated areas of Damascus and Rural Damascus, killing at least 20 civilians and injuring many more, while yesterday, shelling by non-State armed groups on civilian populated areas of Aleppo killed at least 33 people, including women and children, and injured over 150 more people. Allegations of attacks with chemical agents continue to be received. The joint OPCW-UN Mechanism established by Security Council resolution 2235 (2015) is the relevant body to investigate these allegation...