A massive Texas search and cleanup effort was set to enter its fifth day Tuesday in response to Guadalupe River flooding that surged through the area on July 4.

HUNT, Texas (AP) — Crews used backhoes and their bare hands Wednesday to dig through piles of debris that stretched for miles in the search for more than 160 people believed to be missing in the flash floods that laid waste to state’s Hill Country.

Local officials have faced angry questions about whether they could have warned people of dangerous flash floods in Texas Hill Country sooner. Rescue teams from neighboring states and Mexico have joined local efforts to search for survivors,