A car bomb struck a group of Shiite pilgrims heading to the holy city of Karbala Wednesday, killing two people and wounding eight more. Earlier in the day gunmen fatally shot a policeman and his brother who is a member of anti-al-Qaida group north of Baghdad. In the western province of Anbar, a car bomb targeting the house of a police colonel in Fallujah variously injured three security elements and four civilians.