BAGHDAD / Aswat al-Iraq: ;At least 3 civilians have been killed and 9 others injured in a booby-trapped car explosion on Thursday in east Baghdad's al-Shaab district, a security source reported."A booby-trapped car, left by unknown gunmen on the main highway in Aden district of east Baghdad's al-Shaab area, blew off on Thursday, killing 3 civilians and wounding 9 others," the security source told Aswat al-Iraq news agency.