AlHijjah 15, 1433, Oct 31, 2012, SPA - At least nine people were killed during the past 24 hours in a wave of bloody violence plaguing the Pakistani city of Karachi. Pakistan's 'Dunya News" channel quoted police sources as saying that these people were killed by elements of armed gangs. The sources said security forces arrested ten members belonging to these armed gangs in a crackdown carried out in different parts of Karachi.