Fairfax County Fire and Rescue crews were called to the 11600 block of Generation Court in Reston about 5:20 p.m. on Tuesday when smoke was showing from the second-floor of a townhome.
Neighbor Kelley Relyea said she was watching her children play when she noticed thick smoke. She called 911. Crews arrived and quickly got the fire under control.
No one was home at the time and there were no injuries, fire officials said. The cause is under investigation.