At least a dozen people were killed after a gunman opened fire at a nightclub in Thousand Oaks, California.
Hundreds of people were inside the Borderline Bar & Grill when the gunfire rang out, authorities said. The suspect was found dead inside the nightclub.
The suspect was identified as Ian David Long. Among those who were killed is a Ventura County sheriff's sergeant, Ron Helus.
What we know about the Thousand Oaks shooting suspect
Remembering Sgt. Ron Helus
PHOTOS: Mass shooting at nightclub in Thousand Oaks, California
People stand in a parking lot along South Moorpark Road in the aftermath of a mass shooting at Borderline Bar & Grill, on Thursday, Nov. 8, 2018. (Kent Nishimura / Los Angeles Times)
THOUSAND OAKS MASS SHOOTING
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