Notting Hill Carnival opens for the August Bank Holiday weekend as revellers gather in London and douse each other with paint in an early-morning ritual. Reports describe thousands of attendees already moving into the streets on the first day of the annual Caribbean festival.

Outlets also point to a substantial security operation running alongside the celebrations. One article characterizes the policing and security response as large, reflecting the event’s size and the anticipated crowds. The coverage focuses on the visible start of the festivities and the atmosphere in the area as participants take part in traditional-style paint throwing at dawn, while the scale of policing is highlighted as part of the broader event management. No major incident is described in the provided excerpts, and the accounts align on the basic timing, setting, and the presence of many attendees.