Four dead in San Francisco UPS shooting

A shooting at a UPS warehouse in San Francisco has left four people dead — including the shooter — and several more injured. Victims were transferred to Zuckerberg San Francisco General Hospital. According to reports, the gunman opened fire on the third floor of the building. SF Gate reports that the shooter is believed to be a UPS employee, an account also confirmed by an employee on the scene. The employee said the shooter was carrying a handgun. Shots rang out around 9 a.m. local time.