Authorities are in a stand-off with a suspect at Marine Corps Base Quantico in Virginia following a fatal shooting.
Lt. Agustin Solivan said the shooting happened at about 11pm local time on Thursday.
He added that he believes the suspect is a staff member at the officer candidate school at the base. No information about the victim has been released.
More top news
The 75-year-old comic book character has been named UN ambassador for the empowerment of women and girls.
The women have gone straight to the top of the charts with their new song, Shout Out To My Ex.
The country reflects after the two main presidential candidates tore into each other at a usually-civil and light-hearted charity event.