AUGUSTA — One person was killed and the alleged shooter apprehended Saturday morning at a U.S. Army installation in Georgia, officials said.

Fort Eisenhower in Augusta was placed on lockdown shortly before 9 a.m., but then given an “all clear” less than an hour later as officials at the post said “the dangerous event had passed.” The operations center at Fort Eisenhower initially issued the alert on social media.

“Execute lock down procedures on the installation immediately! If you are in danger take appropriate action,” the message read.

Authorities confirmed the lockdown was due to an active shooter. One person was fatally shot in on-post housing. The victim was not publicly identified.

The alleged shooter was apprehended, and officials said the incident appeared to be isolated. A motive was not provided.

“Fort Eisenhower is actively supporting the victim’s family and assistance will be available to anyone impacted by this tragedy. The safety of our residents and personnel remains our primary concern,” officials said in a statement.

Formerly named Fort Gordon, the installation is home to the United States Army Cyber Command.

The Associated Press contributed to this story.