Firefighters are battling a house fire in the Spokane Valley's Northwood neighborhood. According to firefighters with the Spokane Valley Fire District 9 (SVFD9), a house located north of Millwood caught fire early Wednesday morning. Firefighters said nobody was injured and they are trying to extinguish the fire. Spokane County sheriffs, fire trucks, and an ambulance are on-site. The cause of the fire is under investigation.