FACTBOX-Security developments in Afghanistan, Aug 4

Aug 4 (Reuters) - Following are security developments in Afghanistan reported until 0800 GMT on Monday:

* denotes new or updated items

* HELMAND - Afghan and NATO forces killed 17 insurgents in a joint operation which finished on Sunday in southern Helmand province, the defence ministry said on Monday, adding two Afghan soldiers were wounded.

* PAKTIKA - An explosion at a mosque killed the Imam and another man on Monday in southeastern Paktika, a provincial official said. The cause of the blast was being investigated.

* MAIDAN WARDAK - Insurgents killed an army officer and wounded two more in an ambush in Maidan Wardak, west of Kabul, the defence ministry.

* GHAZNI - Taliban insurgents killed a district police chief and four other policemen and wounded seven in an attack in Zana Khan, Ghazni province on Sunday, a security officer in the province said. A group of men complained to the governor about what it said was the killing of five civilians and arrest of three others in a raid by foreign forces in another area of Ghazni overnight.

BAGHLAN - U.S.-led coalition forces killed several militants and detained one during an operation to target militants in the Tala Wa Barf district of the northern Baghlan province on Sunday, a U.S. military statement said.

PAKTIA - Taliban rebels killed three Afghan police officers and seized their vehicle in the eastern province of Paktia on Sunday, a provincial spokesman said on Monday. (Compiled by Hamid Shalizi; Editing by David Fox)