Baghdad, Jumada Al-Awwal 01, 1432, April 05, 2011, SPA -- Three civilians were killed and three injured in an attack by unidentified gunmen on a house located in the south of Baghdad city this morning. An Iraqi Police source said the unidentified gunmen stormed the house at dawn today in ??Mahmudiyah region in southern Baghdad and opened fire on its residents, killing the homeowner, his wife and the eldest son. The attack also caused injuries to three of the homeowner's younger sons who were rushed to a Hospital by Security Forces who arrived immediately at the scene of the incident. The Security Forces are also investigating the incident to probe its causes and circumstances. --SPA 11:56 LOCAL TIME 08:56 GMT www.spa.gov.sa/880584