A policeman stands guard in fron of a Ferris wheel in Liege, Belgium Tuesday Dec. 13, 2011. Officials say an armed man who attacked people in a crowded square in the Belgian city of Liege on Tuesday had served time in jail for offenses involving guns, drugs and sexual abuse.They say he was on his way for police questioning when he launched the attack. Some people were killed and more than 70 people were wounded. La Libre Belgique newspaper reported that a 2-year-old girl was clinging to life. (AP Photo/dapd/Timur Emek)