BAGHDAD, Jumada Al-Awwal 14, 1432, April 18, 2011, SPA -- Iraqi security officials say twin car bombs have blown up at a checkpoint outside Baghdad's fortified Green Zone, killing at least nine people. Two policemen say 23 people were wounded in the blasts, which struck just after 8:00 a.m. Monday and set several cars nearby on fire. An official at al-Yarmouk hospital confirmed the casualty figures, the Associated Press reported. --SPA 11:27 LOCAL TIME 08:27 GMT www.spa.gov.sa/884468