Iran Press/ America: The suspect, described as a bearded man wearing a black trench coat and mask covering his face, was confirmed dead after being “engaged and neutralized” by police, PRESS TV reports
Shooting occurred inside crowded "Borderline Bar and Grill" restaurant in Thousand Oaks in the US state of California at around 11.30pm Tuesday.
Multiple injuries reported but details still unclear.
The bar is a few miles from California Lutheran University, and is a popular spot for students.
Eyewitnesses told local media that the gunman shot a security guard at the front door before entering the building and throwing "smoke grenades all over the place".
Witnesses said the man was armed with a handgun and had already fired a dozen shots before people inside the bar started to escape by using chairs to smash the windows.
Thousand Oaks is in Ventura County, about 40 miles from downtown Los Angeles.
The United States loses around 33,000 people to gun violence every year.
The issue of gun violence has become all the more polarizing under President Donald Trump, a Republican whose presidential campaign was funded partially by the National Rifle Association (NRA).
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