FACTBOX-Security developments in Iraq, June 30

(Reuters) - Following are security developments in Iraq at 1432 GMT on Saturday:

* denotes new or updated item.

BAGHDAD - U.S. forces killed an estimated 26 suspected militants and detained 17 others during overnight raids in the Shi'ite stronghold of Sadr City in northeastern Baghdad, the U.S. military said.

MUQDADIYA - A suicide bomber dressed as a policeman killed at least six people when he blew himself up outside a police recruitment centre in Muqdadiya, 90 km (50 miles) northeast of Baghdad, an Iraqi army source said.

FALLUJA - The U.S. military said it had uncovered 35 to 40 bodies in a mass grave south of Falluja, in Iraq's Sunni dominated Anbar province.

* BAGHDAD - One U.S. soldier was killed and three wounded in southern Baghdad on Friday by a roadside bomb, the U.S. military said. The bomb was believed to have been an explosively formed penetrator, or EFP, which the U.S. military says is made from components that come from Iran.

MOSUL - Gunmen killed three women, including two sisters, on Friday in the northern city of Mosul, 390 km (240 miles) north of Baghdad, police said.

BAGHDAD - Authorities found the bodies of seven people across Baghdad throughout Friday, police said.

LATIFIYA - Iraqi and U.S. forces detained 59 suspected militants near Latifiya, 40 km (25 miles) south of Baghdad, the U.S. military said.

* ANBAR PROVINCE - U.S.-led forces detained 16 suspected insurgents during raids targeting al Qaeda in Iraq in Nineveh and Anbar provinces, the U.S. military said.

* BAGHDAD - Four people were wounded when a mortar round landed in the Shi'ite neighbourhood of Abu Dshir in southern Baghdad, police said.

* DAQUQ - Gunmen assassinated a local municipality official when they threw a hand grenade at his vehicle in the town of Daquq, 45 km (28 miles) south of Kirkuk, police said.

DIYALA PROVINCE - Iraqi soldiers killed one gunman and detained 25 other suspects during raids in Diyala province, north of Baghdad, the U.S. military said.

KIRKUK - Gunmen killed a civilian in Kirkuk, 250 km (155 miles) north of Baghdad, police said.