A two marks a piece of evidence right outside the doorway to the Westfield Mall. This is where police say a 19-year-old man was hit by at least two gunshots.
Oscar Malfet is visiting from France and saw some of the commotion. He says he saw a man run to an escalator leading into the BART and Muni station below. Police say that man was actually the victim - he collapsed once he got down the escalator. Malfet says he heard the gunshots - then saw the man bleeding.
Police say the man was rushed to San Francisco General Hospital with life threatening injuries.
Aldo Gomez says the shooting triggered some confusion inside the lower level mall food court that connects to the subway station.
"You just see people running away from certain spot, then I came out to see what was happening, then I had to go back in to close my store," said Gomez.
He works at the Jamba Juice at the food court. Customers at the mall say security began closing some stores - and BART police quickly shut down the station. Riders were evacuated and told to go to nearby stations to catch the trains.
Anyone with information about the shooting is urged to call the San Francisco Police Department at (415) 553-8090.
