Authorities in Iraq say car bombs and a shooting have killed six people across the country, AP reported. Kirkuk deputy police chief Maj. Gen. Torhan Abdul-Rahman Youssef says three car bombs exploded Sunday afternoon simultaneously in separate residential neighborhoods. Youssef says four people were killed and 14 wounded. The northern city of Kirkuk is 290 kilometers (180 miles) from the capital, Baghdad. Near the capital, police and medical officials say gunmen shot dead a former army officer and his wife in a drive-by shooting in Baghdad's northeastern suburbs.