Regina Fire and Protective responded to a house fire in the 5000 block of Boswell Crescent just before 6 p.m. Tuesday night. According to officials, flames had already spread through the roof when crews arrived. Firefighters have the fire under control and all occupants are accounted for, according to a Regina Fire social media post. No injuries have been reported. Crews remain on scene for salvage and overhaul operations. The cause of the fire has not been released.