At least 12 people, including a police officer, have been killed at a bar in Thousand Oaks, California.
The shooting began at 23:20 local time on Wednesday about 40 miles (65 km) north-west of Los Angeles, police say. Eyewitnesses say a gunman opened fire in a packed bar during college night, according to the BBC and CNN.
At least 200 people were reportedly inside the Borderline Bar and Grill at the time of the attack.
Officials say the suspect was found dead inside and have not identified him. They do not yet know his motive for the shooting.
A college country music night was under way when the suspect, apparently dressed in black, entered to bar and opened fire.
Reports say the suspect may have used smoke grenades and at least one weapon, described as a semi-automatic handgun by witnesses.
79We just dropped to the ground
87I was on the dance floor and I heard the gunshots
95It was a huge panic
People reportedly escaped the bar by using chairs to break windows, while others reportedly sheltered inside the venue's toilets.
118It’s a horrific scene in there