An armed man opened the fire with an assault rifle for dinner in a San Diego restaurant, but no one was hurt, which the police described as an "amazing" outcome.
The police restored at least 19 shell caps after the shooting day outside the restaurant in the Hillcrest neighborhood of the city.
"It's a blessing when so much gunfire broke out and nobody was hit," the police said. Andra Brown opposite the San Diego Union Tribune.
"It's amazing that nobody was hurt," she said.
Log in and save
Get six months of free digital access to The Sacramento Bee
The police arrested a suspect about 20 minutes later and found the dropped weapon nearby. A motive had not been determined.
The attack occurred in a busy area with restaurants and bars.
The police said they did not have the exact number of guests in the restaurant at the time of the shooting. Some people reported being hit by broken glass.