Early reports from the WSJ a gunman killed nine people in a mass shooting in Monterey Park, Calif., late on Saturday, the Los Angeles County Sheriff’s Department said.

The L.A. Times are reporting more than 12 dead by a shooter with a semi-automatic weapon.

The shooting occurred at about 10:22 p.m. local time, Deputy Sheriff Tracy Koerner said, without providing details of whether the male shooter was in custody.

The mass shooting took place at a dance club. This story is developing.