SEVEN PATIENTS were killed Monday when an electrical fire swept through a mental hospital in Russia, the Itar-Tass news agency reported. . . . AMTRAK began a San Francisco Bay area-to-Chicago run about five hours late after three cars on an empty train derailed. . . . ROSSANO BRAZZI, who starred in the movie "South Pacific" and played other hit romantic roles in the 1950s and 1960s, has died in Rome, Italian news reports said Monday. He was 78.