FACTBOX-Security developments in Iraq, April 23

(Reuters) - Following are security developments in Iraq at 1600 on Thursday.

BAGHDAD - A suicide bomber killed 28 people and wounded 50 when he, or she, targeted police helping to distribute relief supplies to displaced families in central Baghdad, police said.

MUQDADIYA - A suicide bomber killed at least 48 people and wounded 77, most of them Iranian Shi'ite Muslim pilgrims, in a restaurant near the town of Muqdadiya, 80 km (50 miles) northeast of Baghdad, police said.

AL-UDHAIM - A roadside bomb killed three people and wounded three from a U.S.-backed Sunni Arab militia in the town of al-Udhaim, 90 km (60 miles) north of Baghdad, police said. Police said one of the dead was Mubarak Humadi al-Ubaidi, a leader of the Sunni patrolmen, or "Sahwa," in al-Udhaim.

MOSUL - A roadside bomb targeted an Iraqi army patrol, wounding two civilians, in eastern Mosul, 390 km (240 miles) north of Baghdad, police said.

MOSUL - Four people were wounded by a roadside bomb in western Mosul, police said.

(Baghdad Newsroom)