CHANDIGARH: Over 60 Aam Aadmi Party leaders have been taken into preventive custody after they tried to violate prohibitory orders during a protest against alleged mining scams in Chandigarh. AAP activists led by MP and party's Punjab unit chief Bhagwant Mann and Leader of Opposition in state Assembly Sukhpal Singh Khaira were demanding investigation into mining scams and handing over of the case to the CBI. “We demand investigation of corruption cases involving Ludhiana city centre and mining scams be handed over to the CBI for trial outside the state as a free and fair trial is impossible here... everyone is being given a clean chit here.”