Dozens of people have died after heavy rain pounded Kerr County, Texas, early Friday, leading to "catastrophic" flooding, the sheriff said.

As of early Monday, 81 people died across six counties. Sixty-eight died in Kerr County alone, 40 were adults and 21 were children. Authorities said about 850 people had been rescued or evacuated. There are still 10 Mystic Camp campers and one camp counselor missing.

Emergency responders continued to search for missing individuals including at least 10 girls who were attending a summer camp on the banks of the Guadalupe River.