Quetta, Pakistan, Sept 25, SPA -- Gunmen opened fire on a vehicle carrying policemen in southwestern Pakistan on Saturday,killing three and wounding three others, a senior policeofficer said. The attack occurred on a busy road in Quetta, the capitalof Baluchistan province, said Rafi Pervez Bhatti, citypolice chief.--SPA1417 Local Time 1117 GMT www.spa.gov.sa/204828