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The organisers of this year's carnival procession in Maastricht have urged party-goers not to dress up as terrorists or jihadis.
Anyone in a costume which could be taken for a terrorist or IS supporter will be removed from the event, the organisers told local broadcaster 1Limburg. Cowboys with toy guns are also not welcome because they could be mistaken for the real thing, the organisers said.
Similar calls have been made in parts of Germany where carnival is celebrated.