Rescue workers patrolled by foot and by airboat in the search for those still missing from flash floods that struck this part of Texas over the July Fourth weekend, leaving more than 100 confirmed dead.

The number of dead from the devastating floods across central Texas surpassed 100 as dozens of people remain missing. In Kerr County, at least 84 people died, including 28 children, according to officials.

A July Fourth weekend deluge in Texas caused catastrophic flash flooding that has killed at least 89 people. Camp Mystic in Kerr County says Monday morning that it is “grieving the loss” of 27 campers and counselors as the search continues for victims of the disaster.