Iraqi officials say a series of bombs across Baghdad have killed more than a dozen civilians, with a heavy focus on commercial areas.

The deadliest bombing happened in central Baghdad's popular Karradah area, where police and hospital officials say three bombs hit Wathiq Square, a popular commercial district packed with restaurants and shops, killing at least five people and wounding 15.

In al-Talbiyah, a neighborhood in eastern Baghdad, at least three civilians were killed and eight wounded in a blast. Officials say three were also killed in the Nahbah section of central Baghdad, and 10 were wounded.

Also, in south Baghdad, a bomb tore through a commercial district in the Nahrawan neighborhood, killing two people and wounding seven.

They officials spoke anonymously as they're not authorized to brief the media.