The death toll from historic flooding in Texas' Hill Country rose to 104 Monday as Camp Mystic girls summer camp confirmed 27 campers and counselors died. Several other people remain missing.

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

Emergency responders continue to search for missing people and local police said efforts have been slowed by "sightseers who are making things worse."