An employee killed three people and then killed himself during a shooting at a UPS facility in San Francisco.
A witness says he heard at least five gunshots and saw UPS drivers running down the street screaming "shooter, shooter" after gunfire at a sprawling San Francisco package delivery warehouse.
Auto shop owner Robert Kim says he brought cars inside and shut the gate Wednesday. He reopened after he saw police had blocked off an area around the UPS building, which is about a block from his shop.
San Francisco police are inside the UPS warehouse searching for additional victims and witnesses.
Video from the scene shows two dead bodies lying on the street outside the facility in the area of 17th Street and San Bruno.
Brent Andrew, spokesman for Zuckerberg San Francisco General Hospital, said Wednesday that the hospital had received victims, but he did not know exactly how many or their conditions.
Uniformed UPS employees are being led out in a line by officers next to a highway. They walked away calmly with emergency vehicles nearby.
The shooting led to a massive police response and a shelter-in-place warning for the surrounding area.
The building is located in the Potrero Hill, which is about 2 1/2 miles from downtown San Francisco.
Police are advising people to avoid the area.