(CNN) -- The owner of a North Carolina beach house where seven college students died in a weekend fire said Monday that his family's "lives were just changed forever" by the tragedy.

Chip Auman said his 18-year-old daughter survived the fire but was hospitalized and in stable condition because of complications from smoke inhalation.

"The thought of losing a child is unimaginable to me, and as a father my heart goes out to the families that lost a loved one in this situation," he said.

Auman said the situation was "hard to fathom."

"There's just no words to describe what we've been going through," he said, asking for prayers for survivors and the families of those who died. "We're numb, we're confused, we're heartbroken."

Two college campuses mourned Monday.

Six University of South Carolina students and a Clemson University student died in the fire early Sunday morning in Ocean Isle Beach, North Carolina.

Six other South Carolina students were able to get out of the house in time. The six were treated and released from nearby Brunswick Community Hospital, but Auman's daughter was hospitalized again in Hartsville, South Carolina.

Authorities from the state Bureau of Investigation and the federal Bureau of Alcohol, Tobacco, Firearms and Explosives are leading the investigation into the cause of the fire.

Ocean Isle Beach Mayor Debbie Smith said the house was "engulfed" in flames when the fire department arrived on the scene, about five minutes after being notified. The flames shot into the sky and ultimately left little more than portions of the framing.

Fire officials do not believe foul play was involved.  Watch a neighbor's video, fears of fast-burning fire »

Dennis A. Pruitt, the vice president for student affairs for the University of South Carolina, said investigators have said it would be Tuesday or Wednesday before the identities of the victims are confirmed publicly.

It could be as much as a month until investigators know the cause of the fire, Pruitt said.

The university did not cancel classes on Monday, but Pruitt said arrangements had been made for those who need to go home or stay out of class at the 28,000-student campus.

Pruitt said meetings had been held Sunday with members of Delta Delta Delta sorority and Sigma Alpha Epsilon fraternity. The South Carolina students were affiliated with those houses, he said, although he stressed that the weekend was not an official Greek function.

He also said counselors and ministers were available to help students deal with the loss of their classmates.

The university president, Dr. Andrew Sorenson, contacted the families of those who died in the fire to express the condolences and support of the university community.

Jay Laura, student president of the USC chapter of Sigma Alpha Epsilon, said the campus would pull together after the tragedy.

"If any place can come together to help in the healing process and the aftermath of an event like this, it is South Carolina," Laura said at a Monday afternoon press conference.

Fire survivor Tripp Wylie, a 20-year-old South Carolina sophomore, said he jumped out of a third-story window into a canal to escape the flames and was unable to get back in to help his friends.

"I could see a buddy of mine off to the left who had gotten out. He was just yelling at me to jump and stuff," Wylie told CNN affiliate WYFF.

"The smoke was pouring out, couldn't really breathe, so I had to make a quick decision. [I] just kind of leaned out the window and luckily I jumped far enough to make it into the canal."

Neighbors flocked to see the fire as firefighters battled and ultimately got the blaze under control.  See the scenes of devastation »

George Smith, who lives across the street from the house, said he heard sirens between 6:30 and 7 a.m. and went outside to see "the whole sky lit up."

"The whole house was completely engulfed in flames, up to about 20 feet," he said.
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