Prime Minister Elio Di Rupo and Crown Prince Philippe stood with the Liege mayor Tuesday in a silent, solemn ceremony on the same cobblestones where three hand grenades spilled blood and bullets pockmarked the gray stone exactly a week ago.
Investigators are still looking for clues why Nordine Amrani, a 33-year-old with a history of lawbreaking, swept into the city center to unleash his rampage that killed four people and wounded 123 others. He committed suicide immediately after the attack.