Los Angeles, November 8 (RHC)-- A gunman killed 12 people, including a sheriff’s deputy, when he walked into a Southern California bar and grill and started shooting on Wednesday night, police said.

The gunman was also killed, Ventura County Sheriff Geoff Dean told a news conference on Thursday.

An unknown number of people were also wounded during the attack at the Borderline Bar and Grill, a Country & Western venue in Thousand Oaks, a city of about 130,000 people some 64 kilometers west of Los Angeles.

It was college night and country two-step lessons were being offered Wednesday at the Borderline, according to its website. 

 Accounts about the incident varied widely throughout the early morning hours with initial reports saying the suspect was in custody. But Sheriff Dean has since said that the gunman died at the scene.