Weighing heavily on my heart, too. Certainly makes you re-prioritize your own life.
We explained to our children what happened this morning and we all prayed for them as a family. My girls are really sensitive to these things, not in a fearful way, but in a "we need to keep praying for them, mom" way...and they do. I'm thankful for those little hearts that hold so much concern for others. The death of a child is one of the things I fear most, and I try to reconcile it in my head knowing that they would be with Jesus and I could take comfort in that (and that, after all, God's only Son died- for ME), but I can't imagine the ache of emptiness it would leave. So horrifying.
Definitely thinking of and praying for all those families involved on all sides of that terrible situation. :(