This is in Eastern Washington (the state, not DC) for anyone wondering.

Also from the article

The Benton County Sheriff's Office said law enforcement searched the area and did not locate any victims inside the building or any evidence of shots being fired.

12:46 p.m. Hanford building searched

Benton County sheriff’s deputies have completed an initial search of the Hanford site building where shots were reported fired Tuesday morning.

They have found no evidence of shots fired and no one injured.

Law enforcement will continue to do additional searching in the building.

https://www.charlotteobserver.com/news/nation-world/national/article258926453.html

False Flag attempt