Kabul, Ramadan 27, 1433, Aug 15, 2012, SPA - A roadside bomb killed four tribal elders in southern Afghanistan, a statement by the governor's office said on Wednesday. The elders were walking to a mosque in the Kajaki district in Helmand province on Tuesday night when they stepped on the bomb, the governor office's was quoted as saying by DPA. --SPA 12:59 LOCAL TIME 09:59 GMT www.spa.gov.sa/1022745