Swit died peacefully at her home in New York just after midnight on Friday, May 30, of suspected natural causes, according to a police report cited by her longtime publicist, Harlan Boll.

Loretta Swit, the actress and animal activist forever known for her pioneering turn as the disciplined Maj. Margaret “Hot Lips” Houlihan on the acclaimed CBS sitcom M*A*S*H, has died. She was 87.