FACTBOX: Security developments in Iraq, May 4

(Reuters) - Following are security developments in Iraq at 1900 GMT on Friday:

* denotes new or updated item.

BAGHDAD - Four U.S. soldiers were killed and nine wounded in three separate incidents in Iraq on Thursday, the U.S. military said on Friday. In the worst attack, one soldier was killed and six were wounded when their vehicle was struck by a roadside bomb in eastern Baghdad.

* BAGHDAD - Militants blew up Radio Dijla, an independent radio station in Baghdad, destroying the offices but causing no casualties, Karim Yousef, the acting director-general said, a day after heavily armed men killed one person there and wounded two.

BAGHDAD - U.S. troops killed three suspected insurgents and detained six during raids in central Iraq on Thursday and Friday, the U.S. military said.

BAGHDAD - Five Iraqi policemen were killed and two were wounded when their patrol was hit by a roadside bomb in the Hay al-Amel neighborhood in southern Baghdad, police said.

BAGHDAD - A car bomb exploded outside a police station in Doura, in southern Baghdad, police said. There was no indication of casualties.

BAGHDAD - The U.S. military identified two more senior al Qaeda in Iraq leaders killed in an operation in Taji on May 1, the U.S. military said. They were Sabah Hilal al-Shihawi, a religious adviser to Muharib Abdul Latif al-Jubouri, and Abu Ammar al-Masri, a foreign fighter.

MAHMUDIYA - U.S. soldiers found a weapons cache including seven 107 mm Iranian rockets and an Iranian mortar, as well as four roadside bombs and components for 25 others during combat operations near Mahmudiya, about 30 km (20 miles) south of Baghdad, the U.S. military said on Friday.

BAGHDAD - A U.S. soldier was killed and two were wounded when their patrol was hit by a roadside bomb south of Baghdad, the U.S. military said.

KIRKUK - A car bomb left outside a police officer's home killed two people and wounded 28 on Thursday in Kirkuk, 250 km north of Baghdad, police said.

BAGHDAD - A mortar round killed two people and wounded three in the Jisr Diyala district of Baghdad on Thursday, the Interior Ministry said.

BAGHDAD - Two people were killed and six wounded in a mortar attack in the Al-Shurta district of southwestern Baghdad on Thursday, the Interior Ministry said.

BAGHDAD - Twenty-five bodies were found in different parts of Baghdad on Thursday, the Interior Ministry said.

FALLUJA - Nine bodies were found in Falluja, 50 km west of Baghdad, police said. Four were believed to be brothers.

BAIJI - Six police officers were found dead in Baiji, 180 km north of Baghdad, police said.