A roadside bomb blast followed by a gunmen attack targeted an Iraqi army convoy near the northern Iraqi town of Baiji on Tuesday morning, killing 20 Iraqi soldiers and wounding 13 others, a source in the local U.S. and Iraqi liaison office told Xinhua.

"An Iraqi army convoy was passing near the Raiyashi gas station just outside the oil-refinery town of Baiji early in the morning when gunmen blew up a roadside bomb near the convoy before they opened fire," said the source from the Joint Coordination Center of the Salahudin province, where Baiji is located.

Meanwhile, in Baghdad, a suicide car bomber blew himself up near an Iraqi security patrol, killing at least 10 Iraqi soldiers and policemen and wounding 12 other people, according to an Iraqi Interior Ministry source.

Source: Xinhua