US: San Francisco police reports shooting at UPS warehouse and customer service center, four injured

A shooting occurred at a sprawling UPS warehouse and customer service center. The shooting on Wednesday led to a massive police response and a shelter-in-place warning for the surrounding area.

The building is located in the Portero Hill, which is about 2.5 miles from downtown San Francisco.

A UPS employee opened fire at a San Francisco package delivery facility on Wednesday, injuring four and prompting a massive police response in a neighborhood near downtown, officials said.

Source: News Nation