The Netherlands barred Turkey's foreign minister from Rotterdam in a row over Ankara's political campaigning among Turkish emigres.
Protests Erupt Over Turkish Campaigning in the Netherlands

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A Dutch riot policeman tries to get his dog to let go of a man after riots broke out during a pro-Erdogan demonstration at the Turkish consulate in Rotterdam, Netherlands, March 12, 2017.

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Riot police clash with demonstrators in the streets near the Turkish consulate in Rotterdam, Netherlands, March 12, 2017.

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Demonstrators face Dutch riot police outside the Turkish consulate in Rotterdam, Netherlands, March 12, 2017.

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Supporters of Turkey's President Recep Tayyip Erdogan wave flags outside the Dutch consulate to protest, in Istanbul, March 12, 2017.