Update 3:12 p.m. EDT:

U.S. Attorney Bill Killian said during a press conference that his office is investigating the shooting in Chattanooga, Tennessee, as "an act of domestic terrorism."

Bill Killian, U.S. Attorney, says this is being handled as a domestic terrorism investigation. — WRCB-TV Channel 3 (@WRCB) July 16, 2015

Update 2:44 p.m. EDT:

The Chattanooga Times Free Press reports that four soldiers have been killed in two separate attacks on military centers in Chattanooga by an unknown gunman. The newspaper reports that the suspected gunman is dead and that a police officer was also shot.

Police said they were no longer viewing the event as an active shooting situation, the Free Press reported.

Update 2:27 p.m. EDT:

Radio CBS News producer Charlie Kaye reports that five people are dead as a result of the shooting at a naval reserve center near Chattanooga, Tennessee. Earlier reports noted that four members of the armed forces had been shot as had the suspected gunman behind the attack.

BREAKING. City official tells @CBSNews 5 dead in #Chattanooga. That figure includes the gunman. — Charlie Kaye (@CharlieKayeCBS) July 16, 2015

Update 1:49 p.m. EDT:

Chattanooga State community college still on lockdown.

​Update 1:40 p.m. EDT:



Officials now saying that shootings took place at two different locations near to Naval reserve facility. CNN suggests that confusion over whether gunman was driving a silver Ford Mustang or a black BMW mean that there's a possibility of multiple shooters.



​Update 1:33 p.m. EDT:



NBC's Pete Williams reports that five people have been shot: one police officer, and four military members.



​Update 1:32 p.m. EDT:

Police now believe that military personnel were directly targeted by a gunman in a black BMW.



UPDATE: Police source tells me the officer is STABLE at Erlanger. The family was escorted to ER by a lieutenant — Dan Kennedy (@DanOKennedy) July 16, 2015







​Update 1:19 p.m. EDT:

Police officials now saying that active shooter incident is over, but full details on casualties not confirmed.

Active shooter situation is over. Details forthcoming #chanews — Chattanooga Police (@ChattanoogaPD) July 16, 2015

​Update 1:18 p.m. EDT:

U.S. Senator Lamar Alexander (R-Tenn.) released the following statement on reports of a violent attack at the Naval Reserve Center in Chattanooga:

“I am deeply disturbed by reports of a violent attack in Chattanooga. I have been in touch with federal, state and local officials and will monitor the situation closely. My thoughts and prayers are with everyone involved.”



Update 1:14 p.m. EDT:



CNN television is now reporting that police could now be looking for a black BMW.



Update 1:10 p.m. EDT:



CBS News reports, citing police officials, are now suggesting that two marines and one police officer have been shot. The military have not confirmed that any uniformed personnel have been injured, shot at or killed.

Confirmed to @jeffpeguescbs, shooter deceased, at least two Marines shot and wounded, one officer shot in the leg. #Chattanooga — Charlie Kaye (@CharlieKayeCBS) July 16, 2015

​Update 1:08 p.m. EDT:

CBS news is reporting that the shooter is now dead.

BREAKING. Multiple law enforcement sources to @CBSNews, the police officer was shot in the leg, shooter deceased. — Charlie Kaye (@CharlieKayeCBS) July 16, 2015







Update 12:57 p.m. EDT:



One witness reported that a person was seen with a bullet wound in the lower leg. Ambulances were seen leaving the area with sirens on.



Update 12:55 p.m. EDT:



Businesses and organizations currently locked down include:

Chattanooga State

Erlanger Hospital

Memorial Hospital

Lee University

Original Story:



A police officer has been shot after an active gunman was witnessed firing at a naval reserve center near Chattanooga, Tennessee, at around 10:50 a.m. EDT, according to reports from local TV station WRCBtv. Early accounts from witnesses indicated that a man in a silver Ford Mustang sedan was seen shooting a “high powered rifle” at the naval center off Amnicola Highway.

The suspect was still active as of 1:00 p.m. EDT, according to police reports.

Here's a picture of the recruiting center that was shot up. Friend on facebook took the pic pic.twitter.com/krOM7xwU6J — Michael Ball (@Mike_Ball423) July 16, 2015







FBI and ATF agents were on their way to the scene of the shooting, CNN reported on television. TV images of the shooting showed police officers at the scene, while Chattanooga State Community college initiated a lockdown at their campus.

"This is a very, very terrible situation," Andy Berke, the city's mayor told reporters. "I'm very concerned about what's going on. We need to figure out how to handle it."

While exact details of the incident were immediately unclear, CBS News tweeted that “at least two people have been injured” in the shooting, and suggested that the gunman may have fired shots at different locations in the area.

#BREAKING: At least two people injured in shooting in Chattanooga, TN, including one police officer. -@jeffpeguescbs — CBS Evening News (@CBSEveningNews) July 16, 2015

The news comes two weeks after the Washington Navy Yard was placed on lockdown after an active shooter was reported to be in the facility.