S/2018/369 4/20 18-06043 Figure I Key dates in March 2018 9. Turkish forces, along with Syrian non-State armed opposition groups affiliated with Operation Euphrates Shield, continued Operation Olive Branch in Afrin, in Aleppo Governorate. On 20 January, the Permanent Mission of Turkey to the United Nations in New York indicated that Turkey had “initiated a military operation on 20 January 2018 … aimed at ensuring [the country’s] border security [and] neutralizing terrorists in Afrin” (see S/2018/53). On 18 March, Turkey reported that its forces had entered Afrin. There were also separate clashes between Turkish forces and allied non-State armed opposition groups with pro -Syrian government forces. There have been reports of civilian deaths,...