PHOENIX, AZ β Authorities are investigating the circumstances of a murder-suicide that left three people dead early Monday, according to reports.
Three people were shot at a home in the area of 19th Avenue and Buckeye Road, ABC15 reported.
A man got into an argument with his ex-girlfriend and killed her and her new boyfriend before taking his own life, Arizona Family CBS 5 reported.
The shootings happened after an hours-long standoff, ABC15 reported.