S/2018/484 2/21 18-08050 II. Major developments Box 1 Key points: April 2018 1. The reporting period witnessed a significant escalation in hostilities in parts of the Syrian Arab Republic, in particular in eastern Ghutah in Rif Dimashq in early April, and in Yarmouk and surrounding areas of southern Damascus city later in the month. Non-State armed opposition groups continued artillery shelling on areas in Damascus city, resulting in deaths, injuries and damage to civilian infrastructure. On 13 April, France, the United Kingdom of Great Britain and Northern Ireland and the United States of America carried out air strikes on military targets inside the Syrian Arab Republic that were reported to be part of the Government’s chemical weapons ca...