Iraq's parliament says more than $18bn have gone missing from government coffers.<br /><br />The US facilitated the release of $20bn to Baghdad after the 2003 invasion -- money derived from Iraq's previously frozen assets and oil revenues, which had been withheld from the Iraqi government because of international sanctions.<br /><br />Now Iraqi officials say the US needs to provide answers about where the money has gone.<br /><br />Al Jazeera's Jane Arraf has the story from Baghdad.
