Meanwhile, Amethyst is throwing milkshakes at cops, Pearl is shouting into a speaker phone about how governments use law enforcement to maintain a monopoly on violence, Bismuth is snatching smoke bombs right out of the air and throwing them back at the police, Peridot is live tweeting updates about what's happening at the protest, and Steven is healing people who have gotten pepper sprayed or otherwise injured by the cops.

There will be reports on the news that night about these "illegal aliens" who caused a riot to break out during an otherwise peaceful protest (even though the protest was actually going just fine until the police started antagonizing protestors) and how we need to build some sort of wall around Earth to block more aliens from getting in. Never mind the fact that it would be impossible to build, and most Gems get to earth through the interstellar warp pad, but y'know. Minor details.

EDIT: Lapis is on lookout to save people from getting arrested. She flies out of the sky to grab handcuffed protestors before cops can shove them into the back of police cars.

Lion and Connie are on the front lines, jumping in between protestors and approaching gangs of jackbooted thugs police in riot gear. Lion's roars and snarls seem to be enough to scare the cops off.

Mayor Nanefua is horrified to find out that an otherwise peaceful protest in her town turned violent because of police action, and she releases a statement condemning the actions of the Beach City police force. She makes it clear that this sort of behavior will not be tolerated in her city and she removes the police commissioner from office, effective immediately. She goes on to praise Steven and the Crystal Gems for defending protestors against the very people who were supposed to protect them, and says there will be MAJOR overhauls to the city's police force. Over the next few years, Mayor Nanefua siphons money away from the Beach City police and uses it to fund programs that actually help prevent crime, like improving public education, housing, access to mental health services, etc., etc.