The motorcycles were seized Sunday , police said . Police blame the rampant violence in Karachi on ethnic and political rivalries . More than 1,000 people have been killed this year . Three political parties are in a bitter power struggle .
60 motorcycles were burned Sunday , police say . Police blame the rampant violence in Karachi on ethnic and political rivalries . More than 1,000 people have been killed this year . Three political parties are in a bitter power feud .