Empire State Building (Creative Commons/Flickr)

According to police, one other person is dead— a co-worker of Johnson's— and 11 were shot outside the building. Some injuries may have occurred due to the 16 rounds of gunfire shot by police who were trying to hit the gunman, The New York Times reported.

According to Neon Tommy:

The man entered his former workplace and shot his boss in the face, killing him, and opened fire on others in the area. A law enforcement source told CBS News that the man was fired from his job on Thursday and returned to his workplace on Friday to receive money he was owed.

"I was sitting outside, and I heard three shots first and I saw three people running up to Park Avenue way from the Empire State Building," one woman told CBS News. "Then we heard it again and it was like 10 to 15 shots at one time. Then we saw the whole block, like over 50 people running to Park Avenue."

Find more Neon Tommy coverage on the Empire State Building shooting here.

Reach Executive Producer Paige Brettingen here.