Three weeks after the 2004 indian ocean tsunami, the prevalence of ptsd among children in sri lanka ranged between 14% and 39% and could be predicted by variables such as family loss and severity of the exposure. this finding indicates that

Children are particularly susceptible to stress and PTSD

Explanation:

It is  absolutely comprehensible that children face Posttraumatic Stress Disorder after witnessing an event of such nature.  

PTSD symptoms can include a high level of anxiety, anger, sadness or nightmares. However, it is always necessary to count on a profesional team in order to decide what is the ideal treatment for every patient.