UAW Will Sue to Block Navistar's Health-Cost Increases

INDIANAPOLIS The United Auto Workers decided Monday to ask ajudge to block the nation's largest truckmaker from raisinghealth-care costs and cutting benefits for its retired workers.

The announcement came Monday after UAW leaders met to frame areaction to Chicago-based Navistar International Corp.'s decision tocut $90 million in health costs by charging premiums and deductibles,and by eliminating some benefits.

The union, which represents about 20,000 members retired fromNavistar, will seek dismissal of a company lawsuit intended to winpermission for the cuts.

Navistar, which makes heavy and medium-sized trucks, sustained a$67 million first-half loss and …