A US Marine veteran dressed in black sprayed bullets inside a crowded dance bar popular with college students Wednesday night, killing at least 12 people, including a police officer, in Thousand Oaks city in California, in one of the "horrific" mass shooting incidents in the US.
The gunman, who also injured nearly two dozen others, was found dead inside the Borderline Bar and Grill on the outskirts of Los Angeles.
Ventura County Sheriff Geoff Dean identified the gunman as 28-year-old Ian David Long, a US Marine Corps veteran, who used a .45 caliber Glock handgun during the shooting.
Long, who shot himself, was dead when officers made entry into the bar, Dean said as he described the shooting incident as "horrific."
"We have had several contacts with Long over the years, minor events, a traffic collision," Dean said, adding that deputies were called to his house for a disturbance in April this year and "felt he might be suffering from Post-traumatic stress disorder (PTSD)."
President Donald Trump said that he has been "fully briefed on the terrible shooting in California."
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