Manslaughter charges sought over Halloween crowd crush that killed almost 160

Read MoreSouth Korean police say a lack of safety measures led to the deadly surge. They want involuntary manslaughter and negligence counts against 23 officials, about half of them law enforcement.South Korean police say a lack of safety measures led to the deadly surge. They want involuntary manslaughter and negligence counts against 23 officials, about half of them law enforcement.