One person was killed and another injured when a car with two people inside tried to ram security gates near the U.S. National Security Agency outside Washington.....

One person was killed and another injured when a car with two people inside tried to ram security gates near the U.S. National Security Agency outside Washington.

Video from news helicopters shows two damaged sports utility vehicles at the scene - including one with NSA police markings.

The FBI told the VOA it does not believe the incident is "related to terrorism."

Map showing the location of the NSA in Fort Meade, MD

"The shooting scene is contained and we do not believe it is related to terrorism. ... We are working with the U.S. Attorney's Office in Maryland to determine if federal charges are warranted," a spokeswoman for the FBI Baltimore field office said in an emailed statement.

U.S President Barack Obama has been briefed on the incident, a White House spokesman said.

The National Security Agency, a pillar of the United States intelligence program, is based at the Fort George Meade U.S. Army base about 40 kilometers (24 miles) northeast of Washington, D.C, in the U.S. state of Maryland.

The military installation is home to other federal agencies, including Defense Informations Systems Agency and U.S. Cyber Command.

Approximately 29,000 civilian employees and 11,000 military personnel work at the base, according to Fort Meade's website.

Credits to:VOAnews