Dusseldorf (dpa) - After a large-scale crackdown on clan crime in the Ruhr area want to call the security agencies today results and details of the operation. About 1300 police officers had in the evening at the same time in Dortmund, Essen, Duisburg, Recklinghausen, Bochum and Gelsenkirchen slammed to control hookah bars, betting shops, cafes and tea rooms. It was about the suspicion of money laundering, tax evasion and illicit work, the security authorities had said.