FACTBOX-Security developments in Iraq, Feb 20

(Reuters) - Following are security developments Iraq as of 0900 GMT on Tuesday:

Asterisk denotes a new or updated item.

* BAGHDAD - A car bomb exploded near a petrol station in the southern Saidiya district of Baghdad, killing five people and wounding 11, police said. Another police source put the toll at three killed and 12 wounded.

* BAGHDAD - A car bomb exploded near a wholesale vegetable market in the southern Doura district of Baghdad, killing five people and wounding 20, police said.

BAGHDAD - Twenty people were found shot dead on Monday in different districts of Baghdad, police said.

HAWIJA - An oil installation guard was wounded when a roadside bomb exploded near his patrol in the town of Hawija, 70 km (40 miles) southwest of Kirkuk, police said.

* TAJI - A truck exploded near a restaurant in the town of Taji, 20 km (12 miles) north of Baghdad. It killed five and wounded 138, including women and children poisoned by chlorine gas that the truck was carrying, police said. They said the blast may have been a bomb attack but they were investigating whether it could have been an accident. They initially said the truck was carrying liquid natural gas.