Violence in Iraq, including shelling in a militant-held city and an attack targeting Shia pilgrims, has killed more than 30 people in 24 hours, officials said Sunday.
The bloodshed comes as officials count ballots from the April 30 general election, the first since U.S. troops withdrew in late 2011, and amid a protracted surge in nationwide unrest that has sparked fears of a return to the sectarian killing sprees of 2006-2007.
In Fallujah, just a short drive west of Baghdad, shelling in southern areas of the city killed 11 people and wounded four, Doctor Ahmed Shami said.
It was not immediately clear who was behind the bombardment, which began on Saturday evening and continued into Sunday.
North of Baghdad, a bombing and shooting targeted a bus carrying Shia pilgrims on Saturday evening, killing 11 people and wounded 21, police and a doctor said.
The pilgrims were returning from Samarra when a roadside bomb exploded on the outskirts of the town of Balad and gunmen opened fire on the bus.
The worshippers had been participating in commemorations marking the death of Imam Ali al-Hadi, the 10th of 12 imams who are key to the Shia Muslim faith.
His body lies in a venerated shrine in Samarra that also houses his son Hassan al-Askari, the 11th imam.
Funerals for the victims were held on Sunday in southern Maysan province.
Also on Saturday evening, police found the bodies of eight family members shot dead inside their home in a predominantly Sunni area southeast of Baghdad.
And on Sunday, a shooting in Baghdad and a magnetic "sticky bomb" on a vehicle west of the capital killed two people, while a suicide bombing in the northern city of Mosul left one soldier dead, officials said.
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