Two people were injured when fire ripped through a Snohomish County home early Wednesday morning. Snohomish County Fire District 22 responded to a call around 1:30 a.m. Crews found the house on 103rd Avenue Northeast in Arlington ablaze. Two people living inside the home were taken to Seattle's Harborview Medical Center for observation and a third person was treated at the scene. The house is a total loss. The cause of the fire is under investigation.