Girls camp grieves loss of 27 children and staff in Texas floods

First responders carry out search and rescue operations near the Guadalupe River after a flash flood swept through the area in Ingram, Texas (Eli Hartman/AP)

Crews picked through mountains of debris and waded into swollen rivers in the search for victims of catastrophic flooding that killed nearly 90 people over the July Fourth weekend in Texas, including more than two dozen campers and counsellors from an all-girls Christian camp.

With additional rain on the way, more flooding still threatened in saturated parts of the US state.