Police say a US Marine Corps veteran with suspected mental health issues killed 12 people in a crowded bar in California, including a policeman.
The shooting began at 23:20 local time on Wednesday in Thousand Oaks about 40 miles (65km) north-west of Los Angeles.
At least 200 people were reportedly inside the Borderline Bar and Grill, which was hosting a university student night, at the time of the attack.
Police have named the suspect as 28-year-old Ian David Long.
Earlier this year, police mental health professionals interviewed and cleared him after sheriffs’ deputies found him behaving “irate” and “erratically” at his home, said authorities.
How did the shooting happen?
Police say the suspect was dressed in black, and forced his way into the bar after shooting the bouncer.
A college country music night was under way when the suspect apparently threw a smoke grenade before opening fire, witnesses say.
Police say he used a legally-owned .45 calibre Glock semi-automatic handgun, which had an extended magazine that is illegal in the state of California.
The extended magazine allowed the gun to carry more than its typical 11-bullet capacity.
Police say they do not yet know how many shots were fired, or whether the gunman ever reloaded during the attack.
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One witness, Teylor Whittler, who was celebrating her 21st birthday said: “I was on the dance floor and I heard the gunshots, so I looked back and then all of a sudden everyone screamed: Get Down!
“It was a huge panic, everyone got up, I was trampled, I was kind of left on the floor until some guy came behind me and grabbed me and dragged me out.”
People escaped the bar by using chairs to break windows, while others reportedly sheltered inside the venue’s toilets.
What have police said?
Ventura County Sheriff Geoff Dean described the scene inside the bar as “horrific” and said there was “blood everywhere”.
He said first responders arrived less than three minutes after the first emergency calls from the venue were made.
Ventura Sheriff’s Sergeant Ron Helus, who later died in hospital, had tried to enter the active scene with a local highway patrolman when he was shot several times.
The husband and father-of-one had been a policeman for 29 years and was a professional firearms instructor.
He was due to retire next year.
“It saddens us all and tears at our emotions. He died a hero. He went in to save lives, to save other people,” the sheriff said.
Who is the suspect?
Police say they have had several minor contacts with Long in recent years, including in April 2018 when they were called to his house after a report of a disturbance.
During talks with police, he appeared “somewhat irate, acting a little irrationally” the sheriff said.
A police crisis intervention team interviewed him, and determined that it was not necessary to hold him against his will in a mental health facility under a so-called 5150 order.
What is PTSD?
- Being caught up in a traumatic event that is overwhelming, frightening and life-threatening can lead to PTSD
- The symptoms usually start within a few weeks of the trauma, but they can start later
- After the traumatic event people can feel grief-stricken, depressed, anxious, guilty and angry
- People may have flashbacks and nightmares
- People may be ‘on guard’ – staying alert all the time
- Physical symptoms can be aches and pains, diarrhoea, irregular heartbeats, headaches, feelings of panic and fear, depression
- People may start drinking too much alcohol or using drugs (including painkillers).
Source: Royal College of Psychiatrists
The order allows authorities to involuntarily detain a person for up to 72 hours if it is believed that they pose a threat to themselves or others.
Mental health professionals believed that he suffered from PTSD (post-traumatic stress disorder), the sheriff said.
Police have just begun to search his home, and expect to know more about him and his possible motive soon.
Who are the other victims?
It is not yet clear who the other 11 victims inside the bar are, but the Wednesday night country music event is popular with local university students.
According to the bar’s website, Wednesday nights are college-themed and are open to students as young as 18.
The bar is located close to California Lutheran University, Pepperdine University and Moorpark College and is popular among students.
Footage on local media of the aftermath shows injured young people being carried away from the scene by friends.
Police say at least 10 people are known to have been injured and others are self-reporting with injuries at local hospitals.
One man who survived the attack on the Borderline Bar told CBS that several attendees on Wednesday night had also been present for the Las Vegas attack on the Route 91 Harvest Festival.
“It’s the second time in about a year and a month that this has happened,” Nicholas Champion said.
“It’s a big thing for us. We’re all a big family and unfortunately this family got hit twice.”
Some students from Marjory Stoneman Douglas High School in Parkland, Florida – where 17 were killed in February – have taken up a public campaign for gun law reform in recent months but little in the way of change has emerged from legislators.
That number does not include an annual estimate of 22,000 suicides via firearm.
President Trump tweeted on Thursday morning to say he been briefed on the shooting, describing it as “terrible”, and praising the bravery of the police officers involved.