FACTBOX-Security developments in Iraq, Feb 22

Feb 22 (Reuters) - Following are security developments in Iraq at 1300 GMT on Monday.

* denotes a new or updated item

* BAGHDAD - An unknown gunman killed a policeman in central Baghdad, police said.

* BAGHDAD - Unknown gunmen killed a mother and her three daughters late on Sunday in Hurriya district of northwestern Baghdad, police said.

* KIRKUK - Police found the bullet-riddled body of a construction contractor southeast of Kirkuk, 250 km (155 miles) north of Baghdad, police said.

* KIRKUK - Unknown gunmen shot dead a police officer in a drive-by shooting in southeastern Kirkuk, police said.

* MOSUL - A roadside bomb targeting a police patrol wounded two policemen in northern Mosul, 390 km (240 miles) north of Baghdad, police said.

* MADAEN - Unknown gunmen shot dead eight members from the same family and beheaded some of them in Madaen southeast of Baghdad, police said.

* RAMADI - A suicide car bomber targeting a police headquarters killed three people, including a policeman, and wounded seven policemen in western Ramadi, 100 km (60 miles) west of Baghdad, police and hospital sources said.

MOSUL - Unknown gunmen in a car fired on an Iraqi army checkpoint, killing two soldiers, in eastern Mosul, police said.

MOSUL - Unknown gunmen shot dead two policemen at a checkpoint in central Mosul, police said.

BAGHDAD - Two mortar rounds landed in or near a complex that used to house Saddam Hussein's central security directorate in eastern Baghdad, an Interior Ministry source said. Another source said the complex was now used as a U.S. base. No casualties were reported.

BAGHDAD - Two military personnel working in the Iraqi Defence Ministry were shot dead by gunmen in a speeding car in northern Baghdad, police said.

BAGHDAD - A police officer assigned to the Interior Ministry and a civilian employee of the ministry were wounded by unknown gunmen as they sat in a car in Baghdad, police said.

BAGHDAD - Two rockets or mortar rounds landed in Baghdad's Green Zone government and diplomatic neighbourhood, wounding five people, police said.

BAGHDAD - Unknown gunmen in a car shot dead Thamer Kamel, a university professor working in the Ministry of Higher Education, while he sat in his vehicle in northern Baghdad, police said.