Description:An investigation was underway Sunday in South Pasadena following a fatal officer-involved shooting, authorities said.
The incident happened around 1 a.m. in the 1000 block of Arroyo Verde Road and involved an off-duty Cal State Los Angeles police officer.
It started when the officer was confronted by a man with a gun, according to South Pasadena police.
The 31-year-old man was shot multiple times in the upper torso and fled the scene in his car before crashing into a parked vehicle.(2:17)