The German city of Cologne is bracing for a major demonstration Sunday in support of Turkey's president, as well as anti-Erdogan protests. The rallies come in the wake of the failed military coup in Turkey.

"Why is this demonstration being permitted?" reads a headline on the Cologne police website.

That's a question quite a few citizens are asking these days with regard to a huge protest called by the Union of European-Turkish Democrats (UETD) - supporters of Turkish President Recep Tayyip Erdogan - as well as a flurry of smaller rival anti-Erdogan demonstrations, at least five in all.

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