FACTBOX: Security developments in Iraq

(Reuters) - Following are security developments in Iraq at 8 a.m. EST on Saturday.

* denotes new or updated items.

* BAGHDAD - Gunmen attacked a convoy of Abdul-Kareem al-Mohammedawi, deputy dean of Baghdad's dental college, killing two guards and wounding two others in the Zayouna district of eastern Baghdad, police said.

BAGHDAD - A roadside bomb aimed at a police patrol in western Baghdad wounded five people including three policemen, police said.

SHIRQAT - A roadside bomb killed four policemen when it struck their patrol in Shirqat, 300 km north of Baghdad, police said.

BAGHDAD - U.S. forces killed one gunman and arrested 13 others during operations in central and northern Iraq on Friday and Saturday, the U.S. military said.

BAGHDAD - Three bodies were found in different districts across Baghdad on Friday, police said.

SAMARRA - Six gunmen were killed and two policemen were wounded in clashes on Friday in central Samarra, 100 km north of Baghdad, police said.

HAWIJA - U.S. forces killed one gunman and arrested another after they had opened fire on a U.S. patrol near Hawija, 70 km southwest of Kirkuk, police said. Kirkuk is 250 km north of Baghdad.

TAL AFAR - Police killed three gunmen and arrested three others in Tal Afar, 420 km northwest of Baghdad, police said.

ISKANDARIYA - Two decomposed bodies with gunshot wounds were found Friday in Iskandariya, 40 km south of Baghdad, police said.