A Los Angeles woman killed herself with a chainsaw, police said Thursday.

Police reported to the 3600 block of Keystone Avenue in Palms about 12:40 a.m. Thursday, after the victim’s sister arrived and called 911, said LAPD Officer Norma Eisenman. She described the victim as being in her mid-40s, adding that fire officials say the body's decomposition indicates she may have been dead for as long as a day.

“Two sisters, they share an apartment,” Eisenman said. “The door [to the victim’s room] was jammed a little, and the sister was able to see her on the bed with a chainsaw next to her.”

Eisenman said the case was initially labeled as a possible homicide, but that changed when investigators found a suicide note.

Los Angeles County coroner’s spokesman Larry Dietz said a coroner’s official is still at the scene and his office has no additional information at this time.

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Map: Shows approximate location of incident in black. Credit: Los Angeles Times