Resources for Coping

Talking to Kids about Sensitive Topics
The American Psychological Association provides some tips such as "Talking to your children", "Limiting News Exposure" and "Know the Warning Signs".
The New York University Child Study Center has an article on "Helping Children Feel Safe in Unsafe Times".
The National Association of School Psychologists has some resources in both English and Spanish to help children cope.
National Institute of Mental Health has provided a list of how parents and cargivers can help any child who is having a tough time.
GenerationOn has a list of activities to help children feel empowered create change in the face of tragedy.