Multiple people are believed to have been injured in a shooting at a bar packed with college students in southern California, local authorities say.
The sheriff's spokesman says the first reports of shots fired came around 11:20 p.m. local time at the Borderline Bar & Grill in Thousand Oaks, which is about 64 kilometres west of Los Angeles.
Around 30 shots were fired, officers at the scene claim. "I could still hear gunshots after everyone left", the Times quoted the man as saying.
They said that soon after the gunman opened fire, victims were running to a nearby petrol station to get help.
A distraught witness who was inside the bar with his stepson during the shooting told KABC-TV those inside the venue were mostly teens.
The gunman shot a security guard standing at the front of the bar before entering the building. The deputy was said to have non-life-threatening injuries.
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"It was constant, until he changed clips, then there was a pause and then he reloaded. and he kept on going and then he reloaded and kept popping them off".
"Please stay away from area".
Police and emergency crews flooded the scene.
The Ventura County Fire Department confirmed just after midnight that there had been reports of "multiple injuries" at the bar.
The bar is a country-themed bar known for its large dance floor and live music events, according to its website.