QUETTA, Pakistan, May 23, SPA -- A bomb planted near a bus station killed two passers-by and wounded two others in a remote town of restive southwestern Pakistan, police said Wednesday. No one claimed responsibility for late Tuesday's blast in Hub, a town about 600 kilometers (375 miles) south ofQuetta, the capital of Baluchistan province and an areapolice chief Mohammed Akbar Afridi said they were stillinvestigating. «At this stage I can only confirm that two passers-bywere killed in the attack, and two others were injured, andwe have no information who is responsible,» he was quoted as saying by the Associated Press.--SPA www.spa.gov.sa/452333