Two-day summit of 13 EU countries' presidents kicks off in Latvia

Finnish President Sauli Niinisto arrives for the summit of the presidents of 13 European Union member states in Rundale, Latvia, Sept. 13, 2018. A two-day summit of the presidents of 13 European Union member states, who form the so-called Arraiolos group, kicked off in Latvia on Thursday. (Xinhua/Janis)