In Karnataka, the Director General of Police and IGP Ajay Kumar Singh informed the media that they are probing all angles to apprehend the culprits of the bomb blast in Chinnaswamy stadium on April 17 in Bangalore. <br/><br/>He said, the clues gathered from the explosion site and the crude explosive material gathered are being analyzed. He admitted that there is a difference between the serial blasts of August 2008 and the recent low intensity blasts. <br/><br/>He also disclosed that CCTV installed around the stadium were switched on only at 11.00 am on the day of the cricket match and that was a mistake. Mr Kumar informed that the explosives were hidden inside the flex columns near the compound where even sniffer dogs cannot reach.