( CNN ) -- At least seven people were killed and 68 others were wounded after three car bomb explosions Wednesday in Iraq 's oil-rich northern city of Kirkuk , said Jamal Taher , police chief . One of bombings occurred outside a building in central Kirkuk used by Kurdish security forces . Another explosion occurred near an Iraqi federal police patrol in central Kirkiuk . And another car bomb targeted a police patrol in south Kirkuk , Taher said . These coordinated attacks resembled past attacks by al Qaeda in Iraq , Kirkuk police said . In other attacks , eight civilians were wounded Wednesday morning when two roadside bombs exploded in two Baghdad neighborhoods , police said . On Tuesday , an Iraqi army officer , Brigadier General Ahsan Ali Mohammed , was killed when a bomb exploded outside his house in western Baghdad 's Ghazaliya neighborhood , police said .
The attacks occurred in Iraq 's oil - rich northern city of Baghdad , police said . There were at least 20 people wounded in the attacks in Baghdad .