Mayor of London Sadiq Khan has declared he will press ahead with extending the capital's ultra low emission zone (Ulez) after five councils failed in their legal bid to stop him. A group of five Conservative-led councils lost their High Court challenge against Mr Khan's plans to expand Ulez.

Mayor of London Sadiq Khan has declared he will press ahead with extending the capital's ultra low emission zone (Ulez) after five councils failed in their legal bid to stop him. A group of five Conservative-led councils lost their High Court challenge against Mr Khan's plans to expand Ulez.