Baghdad, Aug 1 (SPA) -- Twenty bodies of people who had been shot or beheaded were discovered in southwest Baghdad on Monday, a police source said. The source said witnesses told police they saw a truck dump the bodies near a school in the Om al-Ma'alif area in southwest Baghdad. Many bodies have been discovered in similar circumstances over the past few months in killings that have fueled sectarian tensions. The bodies were placed in black plastic bags, police was quoted as saying by Reuters. --SPA 1349 Local Time 1049 GMT www.spa.gov.sa/280291