http://www.telegraph.co.uk/news/2017...-men-new-year/
The tweet showed a photo of dozens of men penned in behind barriers in front of the station.
Around 300 men of north African appearance were also taken off a train in another central station and had their identity papers checked.
Juergen Mathis, Cologne police chief, rejected accusations that his officers had conducted "racial profiling", arguing that many of the men detained had acted in an "aggressive" manner.
"I reject such criticism," he told a press conference. "The clear aim was to prevent similar events to those of last year."
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