The names of seven out of the 12 people killed in the shooting at the Washington Navy Yard on Monday have been released.

The Washington Post reports that police have confirmed the identities of those individuals as:

• Michael Arnold, 59.
• Sylvia Frasier, 53.
• Kathy Gaarde, 62.
• John Roger Johnson, 73.
• Frank Kohler, 50.
• Bernard Proctor, 46.
• Vishnu Pandit, 61.

The suspected gunman, 34-year-old Aaron Alexis , was also killed at the scene.

The remaining names will be released once families are notified, KTLA reported.

All of the victims killed were civilians or contractors, according to CNN .

Multiple people were also injured in the shooting. A Navy announcement Monday afternoon put the number of those wounded at 14, DC Mayor Vince Gray said at a 10:15 press conference that only eight were injured in total.

One of those injured was DC Police Officer Scott William s, who Gray said was "doing well" after being shot in the legs.

While earlier reports indicated that a second shooter might still be on the loose, DC Police Chief Cathy Lanier announced Monday night that Alexis was the "single and sole person responsible" for the shooting.