In a case of murder-suicide, a man fatally shot two elderly men before killing himself at a home in Studio City, Los Angeles, California, on Friday (April 17).

In a press release, Los Angeles Police Department said officers responded to the home around 11 p.m. after receiving a report of gunshots being fired. The responding officers found three people lying in a pool of blood with gunshot wounds. All of them were pronounced dead at the scene.

“The investigation ultimately revealed that 47-year-old Phana Subpramoon had armed himself with a shotgun and shot 67-year-old Joseph Marcotte and 69-year-old Jaturong Siriprasirt multiple times, killing them in their bedroom. Phana then walked to the living room and turned the weapon on himself, ending his own life,” the press release said.

Subpramoon and Siriprasirt were related. Police were investigating the circumstances that led to the incident.

“The motive behind this tragic murder/suicide is still under investigation, but investigators believe that there was a dispute of some kind that triggered this incident,” police said.

“Anyone with additional information is urged to call Detective Steve Castro, Los Angeles Police Department, Valley Bureau Homicide, at (818) 374-1925. Anonymous tips can be called into Crimestoppers at (800) 222-TIPS (8477), or by texting 274637 (C-R-I-M-E-S on most keypads) with a cell phone. All text messages should begin with the letters 'LAPD.' Online tips may be placed at www.LAPDOnline.org, click on 'webtips' and follow the prompt,” the press release stated.

The incident comes days after a woman in California walked into a train’s path carrying her infant son in a suspected case of murder-suicide. Investigators said the woman, identified as 36-year-old Therese Papagayo, stepped before a commuter train carrying her 15-month-old son. Both of them were fatally struck. An autopsy ruled the mother’s death as suicide and it determined that she died from “blunt force traumatic injuries.” It was revealed that the woman had a history of depression and that she worked as a nurse till 2018. Police confirmed that no one aboard the train was injured.

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This image shows a crime scene in Hammond, Indiana, on Dec. 10, 2013. Tasos Katopodis/Getty Images