INTERNATIONAL BRIEFS

A JAPANESE GROUP led by Mitsui & Go. filed claims with Japan's Ministry of International Trade and Industry to cover $675 million in losses incurred by the group's decision to disband Iran-Japan Petrochemical Co. and play no further part in rebuilding the complex, which was badly damaged in the Iran-Iraq war. WESTCOAST ENERGY INC., Vancouver, will spend $256 million (Canadian) to expand its natural gas pipeline operations, including a $100 million expansion of its McMahon gas processing