The Mystic Christian summer camp, located on the banks of the Guadalupe River, confirmed on Monday the deaths of 27 campers and instructors after the floods that devastated south-central Texas this weekend. This will increase the death toll, which so far stands at 82, according to local authorities, many of them children.

“Our hearts are broken along with the families enduring this unimaginable tragedy. We are constantly praying for them,” the organization said in a statement.

Heavy rains caused the Guadalupe River to flash flood, sweeping away cabins and leaving dozens of people trapped or missing, including the 27 campers in Mystic.

Local and state rescue teams have deployed extensive resources to continue the search for those who have not yet been located. “We have been in communication with local and state authorities, who are tirelessly deploying extensive resources to search for our missing girls,” the camp said.

“We are deeply grateful for the outpouring of support from the community, first responders, and officials at all levels,” the statement said.

Given the magnitude of the tragedy, the camp asked for respect and privacy for the affected families.

Authorities have urged people to exercise extreme caution during flash floods in the region, which have seen unusual levels of rainfall in recent days. Emergency crews continue to work in the area to assess damage and locate the missing.

On Sunday night, Larry Leitha Jr., sheriff of Kerr County, one of the most affected by the disaster, announced that 68 dead have been found in his jurisdiction, of which 40 are adults and 28 are children.

Among those 68 deceased, 18 adults are unidentified, as are 10 of the children.

In addition to these deaths, there are another 14 in other nearby counties: 6 in Travis County, 3 in Burnet, 2 in Kendall, 2 in Williamson and 1 in Tom Green, CNN reports.