A viral TikTok gathering turned Newport Beach chaotic, ending in hundreds of arrests — bad news for the wealthy locals who moved there for peace and quiet.

• A crowd drawn by TikTok overran Newport Beach, one of the richest towns in the country.
• Around 400 people were arrested as the scene turned violent.
• Police were struck and fireworks were thrown at people in the crowd.
• The town is known for multi-million dollar homes, where the average house runs about $3 million.
• Residents who moved there for privacy and calm got the opposite.

Outlook: Expect tighter policing and pressure on social media platforms as officials respond to the unrest.