Authorities say a security incident outside CIA headquarters has led to a shooting. Officers with the Fairfax County Police Department in Virginia responded to what they described as a “nonfatal” shooting at the agency’s headquarters in McLean about 4 a.

A "security incident" on Thursday outside the CIA headquarters in Virginia prompted a law enforcement presence.

A woman was shot outside of CIA headquarters in McLean, Virginia, early Thursday after she crashed into a gate, authorities say. She was shot by security guards, a person familiar with the matter told NBC News. The shooting is “non-fatal,” police said, and an investigation by the CIA and FBI is underway.