The Andover Fire Rescue Department is scheduled to hold its annual open house from 10 a.m. to 1 p.m. Saturday at 32 North Main St. Residents are invited to stop by for demonstrations and fun children’s activities designed to teach youngsters about fire safety and prevention. Fire rescue personnel will offer free blood pressure and glucose screenings. The town’s public health, police, and public works departments also will be on hand. For more information about the open house, please visit andoverps.net/fire/.