PICO RIVERA, Calif. (KABC) -- A man died after being shot in Pico Rivera on Thursday, authorities said.
Deputies responded to a call of a shooting in the area of Whittier Boulevard and Acacia Avenue at 6:28 p.m., according to the Los Angeles County Sheriff's Department's Pico Rivera Station.
The victim was found with multiple gunshot wounds to the upper torso. He was transported to Los Angeles County+USC Medical Center where he was pronounced dead at 7:20 p.m., sheriff's officials said.
The investigation has revealed that the male victim was walking with another man and his girlfriend when they started arguing. The second man then pulled out a gun and shot the victim, officials said.
Deputies detained the suspect, who is in his late 20s, and his girlfriend, believed to be in her 40s, and recovered a revolver, according to the sheriff's department.
The victim's name has not been released, but he is believed to be between 25 and 30 years old.
Anyone with information was asked to contact the L.A. County Sheriff's Department's Homicide Bureau at (323) 890-5500.