(KUNA) - At least five Iraqis were reportedly killed and 16 others were injured in a series of explosions that rocked Baghdad Wednesday morning. An Interior Ministry source told KUNA that a bomb exploded in Muhammad Al-Qasim road in Kaab Sara district. Few minutes later and after the civilians gathered at the site of the explosion and after arrival of policemen, an explosives packed car blew up.The explosion killed three Iraqis, injured eight others, including three policemen, and caused damages to civilian cars nearby, the source said. About 20 minutes later, another car loaded with explosives blew up close to the Labor and Social Affairs Ministry building, in Cairo district in Baghdad. Iraqi Police said the explosion killed two civilians and injured seven others seriously. In Al-Mansour district west of Baghdad, two bomb explosions critically injured a civilian.