PTSD possible for kids who witnessed or were present for Gatineau daycare shooting

Online
https://ottawasun.com/2013/04/05/ptsd-possible-for-kids-who-witnessed-or-were-present-for-gatineau-daycare-shooting/wcm/debf2e44-0c59-4082-b30e-705f022d3ade

Quoted about post-traumatic stress disorder in children, relating to the Gatineau daycare shooting.