BAGHDAD - Up to eight people were killed and 15 wounded in a series of bomb attacks in northern and western Baghdad of Iraq on Tuesday morning, an Interior Ministry source told Xinhua.  

The deadliest attack occurred when several mortar rounds landed in a residential area of Chikouk in Baghdad's northern district of Kadhmiyah, killing up to seven people and wounded two others, the source said on condition of anonymity.

Earlier, the source put the toll at one killed and seven wounded.

In a separate incident, a car bomb ripped through Baghdad's northwestern district of al-Shulla, killing a civilian and wounding 10 others, the source said.

In addition, another mortar round landed on a highway in Abu Ghraib area, some 20 km west of Baghdad, damaging a civilian car and wounding three people aboard, the source added.

Violence and high profile attacks are still common in the Iraqi cities despite a notable decrease of violence over the past few years.