In the city of Glendale, located in the state of California, an unknown man barricaded himself in a house and began shooting at law enforcement officers.
"The suspect is still barricaded, he opened fire on the police. The police cars were hit by shells," the Fox10 TV channel quoted the police as saying.
According to the TV channel, law enforcement officers are at the scene of the incident.
On August 1, NBC News reported that three people were killed and two others injured as a result of a shooting in the area of an In-N-Out Burger fast food restaurant in the US state of Idaho.