The leader of Camp Mystic had been tracking the weather before the deadly Texas floods, but it is now unclear whether he saw an urgent warning from the National Weather Service that had triggered an emergency alert to phones in the area,

Officials in Texas are facing mounting questions about whether they did enough to get people out of harm’s way before a flash flood swept down the Guadalupe River and killed more than 100 people, including at least 27 children and counselors at an all-girls Christian camp.