Islamabad, Dhu-AlHijjah 21, 1433, Nov 6, 2012, SPA - At least eight people were killed in separate incidents of violence in Karachi here on Monday. On the other hand, police have arrested 12 accused who were allegedly involved in heinous crimes, according to a report of Dunya news channel. --SPA 11:34 LOCAL TIME 08:34 GMT www.spa.gov.sa/1046060