The shooting happened near the intersection of Third and Oakdale Streets in San Francisco around 4:40 p.m. Saturday.
Eyewitensses told ABC7 News the suspect, identified only as a 19-year-old man, de-boarded the T-Third Muni train without a ticket. When he was approached by police, the suspect fled and at one poitn was shot at several times by police, according to witnesses.
The suspect was rushed to San Francisco General Hospital. He was pronounced dead shortly after 7:00 p.m.
There's no word on what caused officers to open fire on the suspect. No other injuries were reported.
Portions of Third Street between Oakdale and Palau were briefly closed during the police investigation. Tactical police officers were called out to keep watch over a large crowd of onlookers in the minutes after the shooting.