(KUNA) -- A suicide attack killed seven policemen and wounded 37 others in the town of Biji north of Baghdad on Saturday, security officials said. They said the attack, carried out by a lone driver of a car packed with explosives, occurred in the heart of the town, 200 kilometers north of the capital. The fiery blast damaged or set afire scores of cars parked nearby. The attack is the third of its kind witnessed in Iraq within the past 24 hours.