(Daily Mail) – A gunman opened fire during a student night at a country music bar in the city of Thousand Oaks, California, killing 12 people and injuring several before turning the gun on himself. The shooter, who has not yet been named, stormed the Borderline Bar and Grill, wearing a black trenchcoat and armed with a pistol equipped with an extended magazine and smoke grenades, and began targeting people as young as 18.

Among those killed was Ron Helus, a Ventura County sheriff sergeant who was killed after responding to the scene. The ‘hardworking’ officer, who was due to retire this year, had 29 years of experience in the force and leaves behind a wife and son. An additional ’10 to 15′ victims were injured during the mass shooting, including the bouncer, a young female cashier and college students. READ MORE