Police cars are seen outside a country music bar and dance hall in Thousand Oaks, west of Los Angeles, after a gunman barged into a large, crowded venue and opened fire late November 7, 2018, killing at least 11 people, U.S. police said.
Authorities have identified the suspect who killed 12 people at a country music bar in Thousand Oaks, Calif., as 28-year-old Ian David Long. Sergeant Helus was taken to a local hospital where he died from his wounds.
Revellers, mostly young college students, are said to be hiding in bathrooms and attic spaces in a bid to flee the gunman who was carrying an "Uzi" machine gun, reports claim. "Tonight, as I told his wife, he died a hero because he went in to save lives, to save other people".
Ventura County sheriff Geoff Dean said there are "multiple other victims of different levels of injuries".
Ventura County Sheriff Geoff Dean briefs reporters at the intersection of United States 101 freeway and the Moorpark Rad exit as police vehicles close off the area responding to a shooting at a bar in Thousand Oaks, California, on November 8, 2018.
On Wednesday night, students gathered for college country night between 9 p.m. and 2 a.m., according to the bar's website. Kuredjian said that a SWAT team and officers from the Ventura and Simi Valley police departments had converged on the scene.
This was the deadliest mass killing in the US since the massacre in Parkland, Florida, on February 14, 2017.
It is believed that Long killed himself at the bar, Dean said.
A witness told the station, "There were people in the middle dancing and just hanging out and having a good time" when "very, very loud gunshots" rang out inside.
The killer also deployed a smoke device, a law enforcement official told The Associated Press.
"The reality is that these types of incidents can happen really at any place, at any time, even in communities that are considered extremely safe", he added.
The FBI are now at the scene of the shooting and the bomb squad has been requested.
Witnesses report at least 30 shots were fired, according to the Los Angeles Times.
Three people were seen carrying someone, and later paramedics applied bandages to the man, who has blood on his back.
"Within a split second, everybody yelled 'get down, ' " she said.
A man who says he was in the bar told ABC news that he saw a man shoot into the crowd of customers - many of whom said to be students.
"I can't tell you what the status of any of those that were shot is at this point", he said.
Dean said that investigators were seeking a search warrant to look through Long's house, where he lived with his mother.
Speaking through tears, Mr Coffman said: "I talked to him last night, before he headed out the door".