FORT MEADE, Md. (AP) — The Latest on shooting outside the National Security Agency campus at Fort Meade. (all times local):

3:25 a.m.

Though authorities haven't said who opened fire when an unauthorized vehicle tried to enter the National Security Agency's campus, an FBI official says it appears all the gunfire was directed toward the vehicle.

That's according to Gordon Johnson, special agent in charge of the FBI's Baltimore field office.

Three people were injured in the Wednesday morning incident outside Fort Meade in Maryland, though authorities say none of the injuries were caused by gunfire.

Johnson told a news conference that the three injured were the driver of the vehicle, an NSA police officer and a civilian onlooker.

Johnson says two other people who were in the vehicle have been taken into custody and were being questioned.

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1:25 a.m.

Three people were in a vehicle the National Security Agency says tried to make an unauthorized entry onto the spy agency's campus Wednesday morning in an incident that led to gunfire and left three people injured.

FBI Special Agent in Charge Gordon Johnson told a news conference that the three injured were the driver of the vehicle, an NSA police officer and a civilian onlooker.

Johnson says two other people who were in the vehicle have been taken into custody and were being questioned. Johnson says the injuries suffered by the police officer and the onlooker did not appear to be life threatening. He did not have any information about the driver's injuries.

The NSA has said although there was gunfire, it doesn't appear anyone was shot in the incident at Fort Meade in Maryland.

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11:30 a.m.

A federal official says the incident outside the National Security Agency's campus that led to gunfire and left several people hospitalized wasn't linked to terrorism.

The official requested anonymity because they aren't authorized to speak publicly.

In a statement, the NSA says a vehicle tried to enter the spy agency's secure campus in Maryland without authorization shortly after 7 a.m. Wednesday. The statement also says weapons were fired during the incident but it doesn't appear that any injuries were caused by gunfire.

The FBI is investigating.

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10:55 a.m.

The National Security Agency says several people were hospitalized after a shooting outside the agency's campus at Fort Meade, but no injuries were caused by gunfire.

An NSA statement says a vehicle tried to enter the agency's secure campus without authorization shortly after 7 a.m. Wednesday. The statement also says weapons were fired during the incident.

The FBI is investigating.

Images from local news outlets showed authorities surrounding two handcuffed people after a black SUV ran into a barrier outside the Maryland base.

Earlier, Fort Meade garrison spokeswoman Cheryl Phillips said one person was injured in the shooting and was taken to a hospital.

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8:30 a.m.

Police say authorities are responding to a shooting outside the National Security Agency campus at Fort Meade, where police have surrounded a handcuffed man after a black SUV ran into a barrier.

Fort Meade garrison spokeswoman Cheryl Phillips confirmed by phone that one person was injured in the shooting outside the base and was taken to hospital.

The NSA released no immediate information, the FBI said it was sending people to the scene.

An image taken from a WRC-TV helicopter shows a police and fire department response outside one of the facility's secure vehicle entry gates. WRC said bullet holes could be seen in the vehicle's front window, and several air bags were deployed.