At least 24 people have died after heavy rain pounded Kerr County, Texas, early Friday, leading to "catastrophic" flooding, the sheriff said.

Heavy rains are unleashing a “catastrophic” and deadly flood of Texas’ Guadalupe River on Friday. People have died in Kerr County in Hill Country and roads are washed out in Kerrville in Hill Country, authorities said.

Texas Lieutenant Governor Dan Patrick said authorities were searching for 23 girls listed as unaccounted for among more than 700 children who were at a summer camp when it was swept by floodwaters.