Three people are dead and one injured after a Wednesday afternoon shooting at the Pearl Harbor Naval Shipyard, according to the military. Joint Base Pearl Harbor-Hickam said the shooter, who took his own life, had been identified as a U.S. sailor in a tweet. The base also said the incident was “secured.” “The sailor reportedly shot and injured three Department of Defense civilian workers before shooting themself. The incident took place this afternoon at the vicinity of the shipyard’s Dry Dock 2. The base is no longer in lockdown,” the base said. “Base security and Navy investigative services are currently investigating.” According to Hawaii News Now, the three victims were taken to Tripler Army Medical Center, Pali Momi Medical Center, and Queen’s Medical Center. The city Medical Examiner’s Office said the U.S. Navy was taking the lead on the investigation, and Honolulu police also responded the the scene. Hawaii Gov. David Ige called the incident a “tragedy” in a statement, and said the White House had offered assistance in the matter.