Detectives are investigating the death of a man who was fatally shot and found inside a car in a Hacienda Heights parking lot Saturday.

Los Angeles County Sheriff's Homicide detectives said the shooting happened in the 15800 block of Gale Avenue in Hacienda Heights.

Detectives said Industry Station deputies first responded after they recieved a call that a person was not breathing Saturday morning.

A U-Haul worker called 911 when he saw a car running and one of the car doors open.

Deputies found the man sitting in the driver seat of a car parked in the back of a shopping center parking lot suffering from a gunshot wound in his upper torso.

The man was pronounced dead at the scene, authorities said.

There was no suspect description available, but detectives' investigation was ongoing.

Anyone with information about the shooting was asked to call the Los Angeles County Sheriff's Department's Homicide Bureau at 323-890-5500.