March 26 (Reuters) - Following are security developments in Iraq as of 1200 GMT on Monday:
* Indicates new or updated item
*BAGHDAD - A mortar round landed on a residential district in Dora in southern Baghdad, killing a man and wounding three others, police said.
*MOSUL - Gunmen killed a police major in the northern city of Mosul, police said.
*MOSUL - A decapitated body was found in Mosul on Sunday. Another body of a man, with gunshot wounds, was found on Monday in Mosul, a hospital source said.
*ISKANDARIYA - A curfew was imposed in the town of Iskandariya 40 km (25 miles) south of Baghdad after clashes erupted between gunmen and security forces, police said. Mortars also landed in a central residential district, killing two and wounding four.
*BAGHDAD - Iraqi soldiers killed six suspected insurgents over the past 24 hours around Iraq, the Defence Ministry said.
*BAGHDAD - Brigadier Qassim Moussawi, spokesman for the Baghdad security plan, said Iraqi forces captured a senior al Qaeda leader and two of his aides in the Abu Ghraib area northwest of Baghdad. He also said security forces found a cache of 430 anti-tank mines in Jamila in east Baghdad.
* TAL AFAR - Iraqi police raided a house in Tal Afar, near the Syrian border, and shot a man wearing an explosive vest, which detonated, killing himself and another insurgent, police said.
BAGHDAD - A roadside bomb targeting a police patrol killed a policeman and wounded three others in the Zaafaraniya district of southern Baghdad, police said.
BAGHDAD - Seventeen bodies were found in Baghdad on Sunday, police said.
MOSUL - Gunmen killed tribal leader Mohammed al-Igoud and wounded his son on Sunday in the northern city of Mosul, 390 km (240 miles) north of Baghdad, police said.
NEAR KUT - Gunmen killed an Iraqi contractor working for the U.S. forces in a drive-by shooting on Sunday in a town near the city of Kut, 170 km (105 miles) southeast of Baghdad, police said.
MOSUL - Gunmen killed a Facilities Protection Service captain in the northern city of Mosul on Sunday, police said.
DIWANIYA - The body of a man was found with gunshot wounds, bound and bearing signs of torture on Sunday in the southern city of Diwaniya, 180 km (110 miles) south of Baghdad, police said.