FACTBOX: Security developments in Iraq, Feb 26

(Reuters) - Following are security developments in Iraq as of 1810 GMT on Monday:

* denotes a new or updated item.

BAGHDAD - Iraq's Shi'ite vice president, Adel Abdul-Mahdi, and a cabinet minister were wounded in an apparent assassination attempt when a bomb killed six people at the public works ministry in Baghdad where they were attending a ceremony. An aide said Abdul-Mahdi was taken to hospital after suffering wounds in the blast. At least 31 people were wounded.

BAGHDAD - Iraqi security forces killed 12 insurgents, including two wearing explosive vests, and arrested 117 others, the government said in a statement.

BAGHDAD - At least 1,000 displaced families have returned to their homes since Operation Imposing Law was officially launched about 10 days ago.

* FALLUJA - A U.S. Marine was killed in combat in Anbar province, the U.S. military said.

BAGHDAD - A roadside bomb struck a police patrol, killing two officers and seriously wounding another in the Rustamiya area of southern Baghdad, police said.

ABBASI - A suicide car bomber killed one Iraqi soldier and wounded two others when he attacked a joint U.S.-Iraqi military checkpoint near the small town of Abbasi, 70 km (40 miles) southwest of Kirkuk, police and army sources said.

BAGHDAD - A mortar round killed one civilian and wounded two others when it landed in central Baghdad's commercial Nidhal street, police said.

ISKANDARIYA - At least seven people were wounded when mortar rounds hit the town of Iskandariya, 40 km (25 miles) south of Baghdad, police said.

MOSUL - A roadside bomb wounded two policemen in a patrol in the northern Iraqi city of Mosul, police said.