60 motorcycles were burned Sunday , police say . Police blame the rampant violence in Karachi on ethnic and political rivalries . Comment: Hundreds of thousands of ANP supporters have migrated south to Karachi because of the militant violence in their home region of northwest Pakistan . Three political parties are in a bitter power feud .
60 motorcycles were burned Sunday , police say . Police blame the rampant violence in Karachi on ethnic and political rivalries . Comment: Three political parties are in a bitter power feud .