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A disagreement “of some kind” led to a shooting in an apparent murder-suicide that left three men dead inside a Studio City home, authorities said Saturday.

Officers responded to 11030 Aqua Vista St. after receiving a call about shots fired and a “screaming man” just after 11 p.m. Friday, according to the Los Angeles Police Department.

They arrived to find three people who had been fatally shot, LAPD said.

Investigators later learned that Phana Subpramoon shot a relative, 69-year-old Jaturong Siriprasir, and 67-year-old Joseph Marcott, multiple times in a bedroom.

Subpramoon, 47, then went to the living room and turned the weapon on himself, police said.

“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,” LAPD said in a statement.

Video from the scene shows a large response from police officers and Los Angeles Fire Department firefighters outside what appears to be an apartment complex.

LAPD urged anyone with information about the case to call Detective Steve Castro at 818-374-1925. Those who wish to remain anonymous can call 800-222-TIPS (8477) or text that number with the message LAPD 274637 (CRIMES). People can also submit an anonymous tip on

KTLA’s Lucas DerMugrdechian contributed to this report.

Editor’s note: LAPD earlier described the three individuals involved as two men in their 70s and one man in his 30s. This story has been updated.