FACTBOX: Security developments in Iraq, April 26

(Reuters) - Following are security developments in Iraq at 1950 GMT on Thursday:

* denotes new or updated item.

* RAMADI - An alliance of Sunni tribal leaders arrested 30 insurgents, including top members of al Qaeda in Ramadi, and confiscated 20 cars including three that were rigged with bombs near Ramadi, 110 km (68 miles) west of Baghdad, police said.

* JBELA - A bomb hidden in a bag exploded in a secondary school in the town of Jbela, 65 km south of Baghdad, killing one student and wounding six others, police said.

BAGHDAD - Twenty-six bodies were found in Baghdad in the last 24 hours, police said.

BAGHDAD - Mortar rounds landed in a northwestern Baghdad district killing one person and wounding two, police said. Another mortar round landed in the Harthiya district in southern Baghdad, killing one person and wounding two, police said.

KIRKUK - Three bodies, including one of a woman, were found in different parts of Kirkuk 250 km north of Baghdad, police said.

KHALIS - Ten Iraqi soldiers were killed and 15 wounded, including civilians, when a suicide bomber rammed his car into an Iraqi army checkpoint in the town of Khalis, 80 km north of Baghdad, police said.

BAGHDAD - At least six people were killed and 15 wounded in a car bomb blast near Baghdad University and the Al-Hamra Hotel in the Jadriya district of southern Baghdad, police and Interior Ministry sources said.

TIKRIT - Gunmen killed the sister-in-law and niece of Ali Hassan al-Majid, Saddam Hussein's cousin who was dubbed "Chemical Ali", in Tikrit, 175 km north of Baghdad, police said.

NEAR MOSUL - At least three people were killed and 59 wounded in three separate blasts in a town near Mosul, 390 km north of Baghdad, a local official said. Two truck bombs and a suicide bomber wearing an explosive belt targeted local offices for the Kurdistan Democratic Party (KDP) and Kurdish Peshmerga forces.

BAGHDAD - The bodies of 18 people were found shot in different districts of Baghdad on Wednesday, police said.

BAGHDAD - Two people were killed and two wounded when gunmen opened fire randomly in Hurriya district in northwestern Baghdad on Wednesday, police said.

BAGHDAD - Two car bombs killed one person and wounded three others in Bayaa district of southwestern Baghdad, police said.

BAGHDAD - Two people were killed and 11 wounded when mortar rounds landed in the Shi'ite Abu Dshir district of southern Baghdad, police said.

BAGHDAD - A roadside bomb killed two people and wounded 10 near the Shorja market in central Baghdad, police said.