At least 10 people were killed in a mass shooting at a dance club hosting Lunar New Year celebrations near Los Angeles, police told local media.
At least 10 others were injured when a shooter opened fire at a dance club in Monterey Park on Saturday night, reported the Los Angeles Times, citing the LA County Sheriff's Department.
The shooting took place after 10 p.m. (0600 GMT) around the location of a Chinese Lunar New Year celebration held in Monterey Park, the newspaper said.
Tens of thousands of people had attended the festival earlier in the day.
Footage posted on social media showed deserted, cordoned-off streets guarded by police cars.
Monterey Park is a city in Los Angeles county, around 7 miles (11 km) from downtown Los Angeles.