The reward has risen to $20,000 for information leading to an arrest in connection the fire Jan. 25 at the Wilderness Resort employee dormitory in Lake Delton.
Authorities on May 10 also released a grainy image of a person with a backpack that they say could be connected to the fire.
Heidi Fendos, a PR Counsel for Wilderness Resort, said at the time that security noticed smoke in the building around 4:10 a.m. in a dormitory that was being built for J-1 visa international workers.
The Lake Delton Fire Department was called to the scene and within days the fire was ruled an arson.l
The Wilderness Resort hotel was unaffected by the fire and continues to be open for business.
Fendos says there were no injuries and no employees or guests were affected by the fire.
“Wilderness Resort management is continuing to cooperate with the Lake Delton Police Department and all other authorities working on the investigation of the cause of our J-1 dormitory fire, " said Joe Eck, General Manager of Wilderness Resort, in a statement.
Fire crews worked on protecting neighboring structures and two neighboring buildings sustained damage, according to a news release from the Lake Delton Fire Department.
There also was a large construction crane on scene that was affected by fire resulting in a partial collapse.
The building was under construction and was a total loss. The building was under construction with a completion date of the end of May.
The dormitory was intended to house Wilderness Resort international workers here on J-1 visas. The damage estimate is expected to exceed $100,000. There were no injuries to civilians or emergency responders.
All of the employees evacuated from the neighboring dormitory were allowed to return to their rooms about two hours later.
For more go to WKOW: http://www.wkow.com/story/38162709/2018/05/10/wilderness-resort-fire-ruled-arson-10000-reward-offered