Yosemite wildfire caused by hunter's illegal fire according to US Forest Service No arrests have been made, and the hunter's name was being withheld pending further investigation, according to the Forest Service. The only legal hunting allowed at the time the fire started Aug 17 was archery for bear and deer. In some cases, people who have started wildfires in California have been sued to pay for the costs and damages. Forest Service spokesman Ray Mooney said he was not immediately able to get more information from investigators. The Tuolumne County District Attorney's Office also assisted in the investigation, but declined to comment. Officials said 111 structures, including 11 homes, have been destroyed. Thousands of firefighters were called in to battle the blaze, which at one point threatened more than 4,000 structures, The blaze is now 80 per cent contained.