A Christmas tree caused a structure fire on Christmas Day, officials said. A call went out for a residential fire in Sand Canyon at 2:09 a.m. in the 15000 block of Michael Crest Drive. “The fire was showing from the front door,” supervising fire dispatcher Cheryl Sims said. The home was a two-story single family dwelling and the fire was knocked down shortly after the call at 2:25 a.m. by first responders. No injuries were reported. The incident was concluded at 4:29 a.m. and was turned over to the Sheriff’s Department.