July 6 (UPI) -- Texas Gov. Greg Abbott visited the all-girls retreat Camp Mystic late Saturday as the death toll from Friday's flash flooding of the Guadalupe River continued to rise through the weekend. At least 20 girls from the camp are still missing and 51 people total are reported to have been killed by the flooding. "Today I visited Camp Mystic. It, and the river running beside it, were horrendously ravaged in ways unlike I've seen in any natural disaster," Abbott said on social media. "