A roadside bomb killed three Iraqi soldiers in north-east Iraq today, and six people were wounded in attacks by insurgents on four of Baghdad’s 1,200polling stations during the country’s constitutional referendum, police said.

A suicide car bomb exploded at a checkpoint at the main entrance of Baghdad’s Green Zone today, killing two Iraqi policemen and wounding another.

Suspected insurgents opened fire on a convoy carrying Iraqi Oil Minister Ibrahim Bahr in Baghdad today.