BAGHDAD , Iraq ( CNN ) -- Three bombings killed an Iraqi official and three police officers and wounded 14 other Iraqis on Sunday evening and Monday morning , according to an official with the Iraqi Interior Ministry . A U.S. soldier plays with a boy Monday while on patrol in Babil province , Iraq . An Iraqi police captain was killed when a bomb attached under his vehicle exploded as he drove to work Monday morning in Baghdad , the Interior Ministry official said . Seven people , including three Iraqi soldiers , were wounded by the `` sticky bomb '' blast , which happened as the captain drove to a checkpoint in eastern Baghdad 's Zafaraniya neighborhood . The military refers to bombs attached to vehicles without the driver 's knowledge as `` sticky bombs . '' The deputy head of the Iraqi National Dialogue Front was killed Sunday evening by a suicide bomb blast in the town of Al-Qaiyara , south of Mosul , according to Mosul police . The bomber entered Sheikh Hassan Zaidan al-Luhaibi 's guest house and detonated an explosives vest , killing the sheikh and two other police officers , police said . Another bomb blast on Sunday evening wounded seven people who were putting up campaign posters and banners for candidates along Palestine Street in eastern Baghdad , the official said . The people were campaigning for candidates in Iraq 's provincial council elections set for January 31 , the official said . CNN 's Mohammed Tawfeeq and Jomana Karadsheh contributed to this report .
The deputy leader of the Iraqi National Liberation Front is killed by a suicide bomb blast . An Iraqi police captain is killed when a bomb attached under his vehicle explodes . Bomb blast wounds seven people putting up campaign posters and posters .