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.

More than 100 people, including 27 children and camp staff, died in a catastrophic July 4 flash flood in Texas. A detailed timeline now raises serious questions about whether officials acted swiftly enough on early warnings.