The search for missing people entered its seventh day on Thursday after catastrophic flash floods swept through Central Texas last week. At least 120 people, including 36 children, have been killed following torrential downpours that began Thursday after the Guadalupe River burst from its banks on Friday,

Several hundred people gathered at Tivy High School’s stadium in Kerr County, Texas, to mourn the victims of the catastrophic flash floods that hit the region and to honor the many still missing.

Henry DeHart, interim president and CEO of the American Camp Association, said counselors typically receive training in areas such as risk management, emergency procedures, child development, abuse pr...