The message from the Met Police came loud and clear - and very early in the morning. Hundreds of officers making over 100 arrests in dawn raids aimed at keeping trouble away from this weekend's Notting Hill Carnival.
Officers targeted suspected gangs, seizing cash and weapons. But today's high visibility raids were just one part of the operation -- police are keeping a close eye at what's going on online too, as Piers Hopkirk reports.
More top news
The Labour MP expects the death toll in the Grenfell fire to be well above 79 and blames the disaster on Tory attitudes to social housing.
A large fire at a car storage yard this morning destroyed 8 cars and left another 35 damaged
Residents from Grenfell Tower who were being temporarily housed in a Kensington hotel say they were told to leave with just hours notice