Authorities say two people have been arrested in connection with a hit-and-run crash at a weekend “No Kings” protest in Riverside, California, that left a 21-year-old demonstrator seriously injured.

West Chester police arrest man with concealed weapon near rally, later discover seven pipe bombs, AR-15, and tactical equipment at his residence.

Arrests were almost exclusively for charges of failure to obey a lawful order, Denver police said, but some included interference with police authority, unlawful throwing of projectiles, and obstruction of streets.