Iraqi judges have begun questioning two of Saddam Hussein's top lieutenants in preparation for war crimes trials involving the former regime.

The chief judge (Raad al-Juhyi) for the Special Tribunal, which is in charge of the trials, said Saddam's cousin, Ali Hassan al-Majid, also known as "Chemical Ali," appeared today (Saturday) along with Saddam's former defense minister, General Sultan Hashim Ahmad.

No formal charges have been announced against the two men, but those are likely to include crimes against the country's Kurds and Shi'ites, as well as the 1990 invasion of neighboring Kuwait.

In a separate development, at least one civilian was killed and several were wounded in a mortar attack on a voter registration center north of Baghdad (in Dujail). And saboteurs again attacked the country's oil infrastructure, halting oil exports from northern Iraq.