At least 68 deaths—including the deaths of 21 children—have now been confirmed in the central Texas flash floods, according to the latest update from officials, though dozens of children from a summer camp remain unaccounted for as blame swirls over preparedness and whether residents were properly alerted.

Flash-flood warnings and watches remain in effect for parts of Central Texas into Sunday evening, dimming hopes that more survivors would be found.

At least 70 people, including at least 21 children, have died as a result of flash flooding in Texas after the Guadalupe River north of San Antonio flowed over its banks. The search for victims intensified June 6,