The Rockford Fire Department is currently investigating a residential fire at 3200 N. Main St. Thursday afternoon. Fire was showing from the building when firefighters first arrived around 2:51 p.m. The fire was under control in 15 minutes and no injuries were reported, according to the Rockford Fire Department Twitter account at 3:06 p.m. Damages are estimated at $10,000, according to the Rockford Fire Department. The origin and cause of the fire is now under investigation.