Dozens of people are dead in Central Texas in what officials called a "mass casualty event" after devastating flash floods slammed Hill Country, with water rescues taking place along the Guadalupe River.

At least 20 children from Camp Mystic -- a Christian summer camp in the Texas Hill Country -- were unaccounted for in the Kerr County floods that inundated the area on Independence Day.

President Trump said that his administration is working with Texas state and local officials in response to fatal flash flooding as the death toll in the state has risen to 27. “Our Secretary of Homeland Security,