See The Arabic gang-rape 'Taharrush' phenomenon which sees women surrounded by groups of men in crowds and sexually assaulted... and has now spread to Europe:
It refers to sexual assaults carried out by groups of men in public placesRead the rest HERE.
Surrounded by dozens of attackers, lone women are groped or raped
The phenomenon was first seen in 2011 when a reporter was attacked
Lara Logan endured an assault while reporting on the protests in Egypt
Police say attacks in Cologne marked Europe's first instance of taharrush
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