BAGHDAD : A police officer was killed in a relatively rare attack in the Iraqi port city of Basra Saturday, while security forces reopened a key highway after retaking a village from militants. The latest bloodshed came a day after attacks across the country killed 33 people, with bombings and shootings largely targeting Sunni Arab-majority areas of northern and western Iraq, just weeks ahead of national parliamentary elections. Violence is at its highest level since 2008.