TODAY's Jenna Bush Hager, whose mother, former first lady Laura Bush, was a counselor at Camp Mystic, reacted to the tragic flooding in Texas that has left at least 10 children currently unaccounted for at the summer camp.

Hundreds of children were at the all-girls summer camp when flood waters hit Friday, leaving a dozen missing and several confirmed dead.

The girls summer camp devastated by the Kerr County flood reports the death toll has risen to 27. Here's what we know about Camp Mystic.