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.
What were the people putting up when they were killed? How many people were wounded? Who is killed by a car bomb? An Iraqi police captain was killed by what? What kind of bomb was responsible for this damage? How many people were wounded but not killed? Where was the bomb? Who is killed in a suicide bomb blast? Number of people wounded by blast? Who was killed by a suicide bomb blast? Who was killed by a bomb blast?
campaign posters and banners 14 an Iraqi official and three police officers when a bomb attached under his vehicle exploded as he drove to work "sticky bomb" 14 under his vehicle Iraqi official 14 The deputy head of the Iraqi National Dialogue Front an Iraqi official and three police officers
question: What were the people putting up when they were killed?, answer: campaign posters and banners | question: How many people were wounded?, answer: 14 | question: Who is killed by a car bomb?, answer: an Iraqi official and three police officers | question: An Iraqi police captain was killed by what?, answer: when a bomb attached under his vehicle exploded as he drove to work | question: What kind of bomb was responsible for this damage?, answer: "sticky bomb" | question: How many people were wounded but not killed?, answer: 14 | question: Where was the bomb?, answer: under his vehicle | question: Who is killed in a suicide bomb blast?, answer: Iraqi official | question: Number of people wounded by blast?, answer: 14 | question: Who was killed by a suicide bomb blast?, answer: The deputy head of the Iraqi National Dialogue Front | question: Who was killed by a bomb blast?, answer: an Iraqi official and three police officers