BAGHDAD - At least 21 people died in a dozen blasts and a series of shootings in cities and towns across Iraq on Thursday.
No one has yet claimed responsibility for the latest in a line of attacks since U.S. troops left in December.
In Baghdad, a car bomb killed six civilian and wounded 28 in the mainly Shi'ite district of Husainiya on Thursday, police and hospital sources said. Just north of the capital, in Taji, another car bomb injured nine people.
Four car bombs exploded in the city of Kirkuk, 250 km (150 miles) north of Baghdad, killing two people and wounded 18, police and hospital sources said.
Overnight attacks on police checkpoints in the cities of Baquba and Falluja killed six policemen and wounded 13, police and hospital sources said.
There were car bombs, shootings and sticky bombs - often explosives attached to vehicles with a magnet - in other towns.