Kerr County, Texas, lacked a “last mile” warning mechanism that could have saved residents before the deadly floods devastated the area, including a children’s summer camp, killing more than 80 people.

At least 67 people are dead after heavy rain lashed Texas, leading to "catastrophic" flooding. Texas Gov. Greg Abbott said emergency responders remained in a search and rescue posture, hours after the flooding along the Guadalupe River inundated nearby areas.

This is the first solid number officials have provided regarding campers who remain unaccounted for, after estimating Saturday that it could be as high as 27. There were about 750 children at Camp Mystic when the floods hit,