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.

Security guards shot a woman Thursday morning outside 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.

A woman was shot by CIA security after she failed to stop at a gate at the agency's headquarters in Virginia, sources say.