Residents of Brussels say they are shocked by the attack and fear for their children 's safety . The identity of suspect Nourdine Amrani , however , is not known , police say . Neighbors say they saw little of the suspect , who lived in Liege . He , previously convicted of arms offenses , was known to a local gun store owner .
Residents of Liege say they are shocked by the attack and fear for their children 's safety . The motivation of attacker Nourdine Amrani , 33 , is not known , police say . Neighbors say they saw little of the suspect , who lived in Liege . Amrani , previously convicted of arms offenses , was known to a local gun store owner .