Firefighters were participating in group ALS Ice Bucket Challenge . One firefighter remains in critical condition . A man who was critically injured when a tree fell on his house has died, according to the Orange County Fire Authority. Ice Bucket Challenge organized by Campbellsville University band .
Firefighters were participating in group ALS Ice Bucket Challenge . One firefighter remains in critical condition . Electricity arc shocked firefighters in extension ladder . Ice Bucket Challenge organized by Campbellsville University band .