In Los Angeles, 38 people were arrested downtown on Saturday night, police said Sunday. In Huntington Beach, police arrested a convicted felon they said had a loaded handgun.

More than 1,500 events are planned throughout the U.S. to send a loud message to President Donald Trump: “In America, we don’t do kings.”

No Kings protests took place across the country from New York City to Atlanta to Los Angeles. The 50501 Movement, which stands for 50 states, 50 protests, one movement, said the nationwide protests are aimed at calling attention to what they say are authoritarian actions of the Trump administration.