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Photo taken by a student before the accident at Campbellsville University. Tyler Arterburn

Two Kentucky firefighters were injured Thursday after helping college students participate in the Ice Bucket Challenge -- a viral campaign that involves dumping large quantities of freezing water on an individual’s head to raise funds for the ALS Association.

After dousing the Campbellsville University marching band with freezing water from the ladder of a fire truck, two firefighters were injured when they were shocked by electricity coming from a nearby power line. One is in critical condition and the other is stable, Campbellsville Police Chief Tim Hazlette said. No students were hurt.

"A number of our students, of course, the entire marching band, witnessed the event and so we're concerned about them and the tragedy of this accident," university president Michael Carter told WHAS-TV.

Two of the firefighters have been identified as Campbellsville Fire Captain Tony Grider, 41, and 22-year-old firefighter Simon Quinn. The incident took place after the students were sprayed with water. An electrical arc occurred between the power line and the bucket. The two firefighters on the ladder were hurt. Two others on the ground were shocked but were only slightly hurt from the current, Statter911 reports.

"It's tragic, I feel for all the band members who were still there when it happened, that they had to see that," nursing student Julie Smith, told the Associated Press.

The Ice Bucket Challenge was launched earlier this year to raise funds for amyotrophic lateral sclerosis, commonly known as Lou Gehrig’s disease. So far, the campaign has gone viral on social media sites where celebrities, athletes and even former President George W. Bush have participated. The campaign has reportedly raised more than $40 million.