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The news heaps further embarrassment on German chancellor Angela Merkel who is under attack for her “open door” refugee policy that brought up to a million refugees and migrants to Germany in 2015. Afghans and Syrians carried out terrorist attacks in Germany the following year.

A German judge approved an arrest warrant to keep the 26-year-old Iraqi national – identified only as Abdul Beset A – locked up for allegedly having been a member of the jihadi terror group.