Fairfax County Fire and Rescue were called out early Monday morning for the report of a fire in the Herndon area of the county, according to a post on the department’s official Twitter account.

Units were dispatched around 7:22 a.m., after a passerby reported a fire at building in the 2400 block of Centreville Road, according to the tweet. A fire sprinkler extinguished a small blaze on the countertop in the building. After determining that the fire had not extended, crews remained on the scene for remove smoke from the building.

Investigators determined the cause of the fire was an electrical event involving a power strip. No injuries were reported and damage was estimated to be $6,000.