The Danville Fire Department responded to an outdoor fire that spread to a small storage building at 2301 Robinhood Dr at 3:51 pm this afteroon. An engine from the airport and Piney Forest stations responded with a ladder truck and 2 support vehicles from the Bridge St. station. Upon arrival they found a small grass and brush fire that had spread to small storage building. Damage to the structure was moderate and there were no injuries. Units were on scene for about 1 hour and the cause is under investigation.