Extra police were deployed to north-west London in week-long crackdown which led to over 40 arrests.
Home of Wembley Stadium, Brent is one of the most ethnically diverse local council areas in the UK.
Brent Council apologises for the installation of the inaccurate sign, which is more than two years old.
Brent Council is to pay the boy's mother £1,000 for "avoidable frustration, time and trouble".
Campaigners for a community centre with significance for black British history lose a bid for it to have heritage protection.
The Greens now have representation on Brent Council, but Labour still retain political control.
Efforts intensify to curb paan-spitting, which leaves rust-coloured stains across Wembley's streets.
Organisers Red Lotus Events have agreed to a 65 decibel limit for the September festival.
A woman begins legal proceedings over her London council home, which a report said was uninhabitable.