Kabul, Muharram 11, 1433, Dec 6, 2011, SPA - Four Afghans were killed Tuesday in a bomb blast in the north of the country, officials said. "A blast took place in Alokozai Square of Mazar-e Sharif city, killing four people, including a soldier, and injuring four others," Sher Mohammad Durani, a spokesman for the provincial police was quoted as saying by the German Press Agency "DPA". --SPA 13:21 LOCAL TIME 10:21 GMT www.spa.gov.sa/949913