A fire occurred overnight Sunday at Dominion High School and automatic sprinklers helped prevent it from escalating, according to Loudoun County Fire and Rescue. Officials said the fire started at approximately 11:15 p.m. in a science classroom on the main floor of the school, with three activated automatic sprinklers keeping it in check before fire crews arrived to put out the remaining blaze with a portable extinguisher. According to authorities, the fire caused minimal damage. Despite the fire, Dominion remained open Monday for the start of the school week. The Loudoun County Fire Marshal’s Office has ruled that the fire, which originated in the science classroom, was accidental.