FACTBOX: Security developments in Iraq

(Reuters) - Following are security developments in Iraq at 7:30 ET on Saturday.

* denotes new or updated item

* SAMARRA - At least 17 people were killed in clashes between al Qaeda and a rival Sunni Arab insurgent group, the Islamic Army, in two villages east of Samarra, 100 km (62 miles) north of Baghdad, police and villagers said.

* BAGHDAD - Gunmen opened fire on a car in Bayaa district, southwestern Baghdad, wounding two of the occupants, police said.

* BAGHDAD - U.S. forces arrested 10 gunmen during operations in central and northern Iraq, the U.S. military said.

* MOSUL - A roadside bomb blew up near a bus in Mosul, 390 km (240 miles) north of Baghdad, killing four people and wounding 16, police said.

BAGHDAD - A roadside bomb killed one person and wounded 10 in eastern Baghdad's Baladiyat district, police said.

BAGHDAD - Three people were wounded by a roadside bomb near a fuel station in Bab al-Sharji in central Baghdad, police said.

BAQUBA - Gunmen killed a man in Baquba, 65 km (40 miles) north of Baghdad, police said.

BAGHDAD - Gunmen killed a motorist in western Baghdad, police said. The other passengers in the car, relatives of the victim, were not wounded.

(Editing by Ross Colvin)