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.

The flooding brought the Guadalupe to its second-highest point in history, according to the National Weather Service, which urged people in the affected area to move to higher ground.

The death toll from devastating floods in the Texas Hill Country rose to 24 Friday night, officials said, as a the search for more than 20 people missing from a girls summer camp continued through the night.