A RULING PARTY POLITICIAN HOSPITALIZED IN A SOUTHWESTERN BANGLADESH CITY WAS KILLED SUNDAY WHEN UNIDENTIFIED ATTACKERS HURLED A HANDMADE BOMB AT HIS HOSPITAL BED, A POLICE OFFICER SAID, ACCORDING TO AP. NO ONE WAS IMMEDIATELY ARRESTED FOR THE ATTACK ON MOFIS BISWAS, 37, A BUSINESSMAN AND A LOCAL LEADER OF BANGLADESH NATIONALIST PARTY, POLICE COMMISSIONER KHAN SYED HASAN SAID IN KHULNA, 137 KILOMETERS (85 MILES) SOUTHWEST OF THE NATIONAL CAPITAL, DHAKA. BISWAS WAS ADMITTED TO THE STATE-RUN KHULNA MEDICAL COLLEGE HOSPITAL FOR TREATMENT AFTER HE WAS SERIOUSLY WOUNDED IN ANOTHER ATTACK MAY 5 IN NEIGHBORING NARAIL DISTRICT, HASAN SAID.