London, UK
People demonstrate outside the high court in central London, where five Conservative-led councils are challenging the intention of the mayor of London, Sadiq Khan, to expand the capital’s ultra-low emission zone (Ulez). The outer-London boroughs of Bexley, Bromley, Harrow and Hillingdon along with Surrey county council launched legal action in February over the proposed extension of Ulez beyond the North and South Circular roads