One soldier killed another at Fort Bragg this afternoon and then turned his gun on himself, the Army says. The shooter and a third soldier survived with injuries.

The Army did not identify the soldiers. NBC News reports that the dead soldier is a battalion commander.

Update at 6:21 p.m. ET: A soldier from the 525th Battlefield Surveillance Brigade is dead and two others are wounded, including the shooter, according to a statement from Fort Bragg. Neither the soldiers nor the weapon used were identified.

The statement said the soldier shot the other during a "unit safety brief," then turned his weapon on himself. A third soldier nearby was slightly wounded in the shooting, which happened about 3:30 p.m. ET.

The shooter is in custody. His condition was not revealed.

NBC News, citing a senior defense official, said the dead soldier was a battalion commander.

Here are the Facebook pages for the base and the 525th.

Update at 5:39 p.m. ET: NBC News is reporting that a battalion commander is dead and that at least one person was shot, citing a "senior U.S. defense official."

The officer, who has not been identified, was shot near the 18th Airborne Headquarters in a "distinctly military headquarters area," the official told NBC.

Update at 5:20 p.m. ET: Sources tell WTVD that one Army officer was shot during a formation. The officer's condition is not known, and the Army has not yet released any details.

Original post: An unspecified shooting has occurred at Fort Bragg, N.C., and police are responding, according to news reports.

The shooting occurred on base about 3:30 p.m. ET. A news conference is planned for 6 p.m.

WTVD-TV says officials have urged vehicles and pedestrians to avoid the historic district of the post, home to U.S. Army airborne and special forces.