MUKILTEO — Arson is the cause of an early morning fire that destroyed a church building next door to Kamiak High School, fire and police officials said. No one was injured in the blaze. The Snohomish County Fire Marshal’s office, the federal Bureau of Alcohol, Tobacco, Firearms and Explosives, and Mukilteo Fire and Police departments concluded Saturday afternoon that the fire was started outside near the back entry of the Church of Jesus Christ of Latter-day Saints building at the corner of Harbour Pointe Boulevard and Chennault Beach Drive. The two-alarm fire, first reported shortly before 3 a.m. Saturday, has...