Two reputed Japanese terrorists have been indicted in connection with the 1988 car bombing outside a USO club that killed an American and four other people, but the suspects remained at large.

Named in the indictments by investigating magistrate Guglielmo Palmeri on Thursday were Junzo Okudaira and Fusako Shigenobu, both reputed members of the Japanese Red Army.International arrest warrants were issued for the pair shortly after the attack. Both were believed to have fled the country.