Nine million Londoners are voting on Thursday May 2 to elect their mayor. Labor Sadiq Khan is running for a third term and polls announce him as the winner, facing conservative Susan Hall and environmentalist Zoe Garbett. Among the subjects which depend on the mayor and which marked the campaign: security, housing, transport and above all air quality, which has become a real political ping-pong ball, especially since the establishment of a ultra-low emission zone throughout the capital.
United Kingdom: air quality in London, political issue for municipal elections
