Dhaka, Dec 8, SPA -- A powerful bomb ripped through acrowded street in the town of Netrokona in northern Bangladesh on Thursday, killing at least six people and wounding dozens in an attack policesaid may have been carried out by a suicide bomber on abicycle. The police officials said they believe the blast may havebeen detonated by a suicide bomber who was riding throughthe crowd on a bicycle. At least 45 people, including ninepolice, were injured, they were quoted as saying by The Associated Press.--SPA1133 Local Time 0833 GMT www.spa.gov.sa/308902