Read more: http://www.dw.com/en/turkey-lodges-formal-complaint-as-tensions-with-netherlands-rise/a-37914634

The upcoming Turkish referendum may hand more powers to President Recep Tayyip Erdogan. DW's Gunnar Köhne has looked at the two sides of the debate and tried to find out if the diplomatic rows with European states will have any effect on the vote.