A shooting erupted Wednesday outside the suburban Washington headquarters of the National Security Agency, a secretive intelligence organisation responsible for global USA electronic eavesdropping, leaving at least one person injured, officials said.
The incident took place at the NSA entrance gate on MD-32 around 7:15 a.m.
The Washington Post reports the injured person is a law enforcement officer and suspect is in custody.
Police earlier had searched a black sport utility vehicle with what appeared to bullet holes in its windshield, according to video from the scene.
Fort Meade garrison spokeswoman Cheryl Phillips confirmed by phone that one person was injured in the shooting outside the base and was taken to the hospital.
The FBI in Baltimore tweeted that it was "aware of the incident" and was sending personnel to respond.
The contents of the SUV's trunk were exposed and there was blood on the ground
"The situation is under control and there is no ongoing security or safety threat".
"The NSA Police force is now investigating". It went on, saying "no additional information is available".
Maryland State Highway Administration has closed Route 32 in both directions at Canine Road. The auto appears to have crashed into a barrier near the entrance.
An external view of the National Security Agency building in the Washington suburb of Fort Meade, Md., is captured on January 25, 2006.
White House deputy press secretary Lindsay Walters said in a statement that President Trump had been briefed on the shooting.
This is a developing story and will be updated.
Michelle Obama's portrait artist overcame heart transplant
Wiley is known for painting young African-American men in bright, bold, regal settings that are influenced by art history. Her paintings have less realism and focus on shape and color.