Investigators are trying to establish whether Kermiche and Petitjean had accomplices in France and whether they had links with Islamic State, which has claimed responsibility for the attack.
调查人员正试图确定克尔米奇和帕迪让在法国是否有同谋，以及是否与伊斯兰国武装分子有联系，伊斯兰国武装分子声称对此次袭击负责。