A farmworker killed seven people in back-to-back shootings in a case of "workplace violence" at two Northern California mushroom farms, officials said.
Chunli Zhao, 66, was booked on suspicion of seven counts of murder and one count of attempted murder, jail records showed. He was being held without bail and scheduled for a Wednesday court appearance.
Authorities believe Zhao acted alone when he entered a mushroom farm in Half Moon Bay, California, and opened fire, killing four and leaving another seriously wounded, San Mateo County Sheriff's officials said.
