Volunteers are searching for missing people after flash flooding along the Guadalupe River swept through parts of central Texas. Ryan Logue, a Kerrville native, told CNN’s Isabel Rosales one of the challenges volunteers face is the miles of devastation that will need to be covered.

Drone footage captured the scale of the destruction in Georgetown, showing raging floodwaters after the San Gabriel River burst its banks and partially submerged buildings. Twenty-seven girls are still missing from a Christian youth camp called Camp Mystic,