CIA security officers shot and injured a woman who approached the front gates of the agency in a car around 4 a.m. ET on Thursday morning, according to a law enforcement source and another person familiar with the matter.

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." The shooting was nonfatal.

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.