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 woman was shot Thursday morning by security guards outside the CIA headquarters in Virginia, a person familiar with the matter told NBC News. Shots were fired early in the morning, prompting what the CIA said was a "security incident.