(CNN) -- [Breaking news update, published at 10:36 p.m. ET]
Two civilian shipyard workers at Joint Base Pearl Harbor-Hickam in Honolulu were killed by a US sailor on Wednesday, Rear Adm. Robert Chadwick told reporters.
The shooter then killed himself, Chadwick said.
A third civilian employee was wounded and is stable at a hospital, Chadwick added.
[Previous story, published at 9:27 p.m. ET]
Security forces at Joint Base Pearl Harbor-Hickam responded Wednesday to a reported shooting at the Pearl Harbor Naval Shipyard, officials said.
The incident occurred at 2:30 p.m. HST (7:30 p.m. ET), officials tweeted on the base's verified Twitter account.
Several witnesses told CNN affiliate KGMB/KHNL that they heard gunshots.
The Queen's Medical Center in Honolulu has received one patient from the incident, Minna Sugimoto, a spokeswoman for The Queen's Health System, told CNN.
JBPHH security forces have responded to a reported shooting at the Pearl Harbor Naval Shipyard. The incident occurred at approximately 2:30 p.m. Due to the ongoing security incident, access/gates to #JBPHH are closed. We will update when we have further information. pic.twitter.com/6uZulGOUTx
— Joint Base Pearl Harbor-Hickam (@JointBasePHH) December 5, 2019
Sugimoto said no other details are available at this time.
About 4 p.m. local time, vehicles were again allowed to enter the base, affiliate video showed.
The reported shooting occurred three days before commemorations of the Japanese attack that thrust the United States into World War II.
This is a developing story. Check back for updates.