FACTBOX: Security developments in Iraq, Sept 30

(Reuters) - Following are security developments in Iraq at 1430 GMT on Sunday.

* denotes new or updated items.

* BAGHDAD - U.S. forces killed 20 insurgents on Saturday after they fired a rocket-propelled grenade and small arms fire at a U.S. aircraft in an area about 30 km (20 miles) northwest of Baghdad, the U.S. military said.

* BAGHDAD - Iraqi and U.S. special forces detained 16 suspected militants in operations across Iraq on Saturday, the U.S. military said.

* BAGHDAD - One U.S. soldier was killed and another was wounded on Saturday when their unit was hit by a roadside bomb and came under small arms fire, the U.S. military said.

* BAGHDAD - Police found three unidentified bodies with signs of torture in the town of al-Haswa, south of Baghdad.

NEAR BAGHDAD - Suspected al Qaeda militant attacked a farm, killing the owner and wounding three of his relatives south of Baghdad, police said.

BAGHDAD - Iraqi army forces killed 40 militants during operations in three northern Iraqi provinces in the last 24 hours, a Defence Ministry statement said.

MOSUL - Gunmen killed two people in a market in Mosul, 390 km (240 miles) north of Baghdad, police said.