The search is continuing for more than 160 people believed to be missing in Texas days after a destructive wall of water killed over 100 people.

The number of people known to be missing in Central Texas flooding last week has risen dramatically to 173 people, Governor Greg Abbott revealed Tuesday.

Officials in Texas are facing mounting questions about whether they did enough to get people out of harm’s way before a flash flood swept down the Guadalupe River and killed more than 100 people, including at least 27 children and counselors at an all-girls Christian camp.

Flash flooding in Texas Hill Country has triggered one of the largest rescue operations in the state’s history

Rescuers searched the Guadalupe River for survivors of the Texas floods that killed more than 100 people over the July Fourth holiday weekend, with an unknown number of people still missing. The basin area was crowded with families and campers preparing to enjoy the holiday when pounding rain brought about catastrophic flash floods just before dawn Friday.