FACTBOX-Security developments in Iraq, May 4

(Reuters) - Following are security developments in Iraq at 8:30 p.m. British time 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.

* SUWAYRA - Police pulled eight bodies bearing signs of torture from the Tigris River in the town of Suwayra, south of Baghdad, police said.

* BAGHDAD - Gunmen kidnapped two guards and set a Shi'ite mosque on fire in the mostly Sunni district of Adhamiya in western Baghdad, police said.

* MAHMUDIYA - Mortar bombs killed one person and wounding three others from the same family in the town of Mahmudiya, south of Baghdad, police said.

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 neighbourhood in southern Baghdad, police said.