Oct 15 (Reuters) - Following are security developments in Iraq at 1330 GMT on Wednesday.

* denotes a new or updated item.

* MOSUL - U.S. forces said on Wednesday they had killed the second-in-command of al Qaeda in Iraq, the Sunni Islamist militants who ally themselves with Osama bin Laden's organisation. They said Abu Qaswarah, a Moroccan, had been identified this week after being killed in Mosul on Oct. 5.

* KERBALA - Police have discovered the decomposing bodies of 22 men dumped in a mass grave in west of the holy Shi'ite city of Kerbala, 80 km (50 miles) southwest of Baghdad, police and hospital sources said on Wednesday.

* MOSUL - A police patrol mistakenly opened fire in central Mosul, 390 km (240 miles) north of Baghdad, killing a civilian man and wounding a woman, police said.

BAGHDAD - Five mortar rounds landed in an unoccupied area close to Baghdad International Airport, police said. A source at the airport said no casualties were reported in the attack.

BAGHDAD - Police said five mortar rounds landed in the fortified Green Zone, which houses the U.S. embassy and some Iraqi ministries, but the U.S. military said no mortar attacks on the Green Zone had been reported.

BAGHDAD - Two roadside bombs exploded in quick succession inside a base of U.S.-backed neighbourhood patrols, wounding two patrolmen and four Iraqi soldiers in the Doura district of southern Baghdad, police said.

BAGHDAD - The body of a man was found in Baghdad on Tuesday, police said.

MOSUL - A roadside bomb exploded near an Iraqi army patrol, wounding nine civilians, on Tuesday night in Mosul, 390 km (240 miles) north of Baghdad, police said.

BAGHDAD - Three policemen were wounded when a bomb exploded near their patrol on Tuesday in the Karrada district of central Baghdad, police said.

MOSUL - Two Iraqi soldiers were wounded when a roadside bomb exploded near their patrol in Mosul, police said.

MOSUL - Police killed one attacker when gunmen attacked their patrol in Mosul, police said.

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