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

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Polish President Andrzej Duda (R) 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)