Ella Roberta Adoo-Kissi-Debrah, whose death was linked to unlawful levels of air pollution. AFP
Her mother Rosamund Adoo-Kissi-Debrah and London mayor Sadiq Khan at the unveiling of Breathe for Ella, an art projection at the city’s South Bank to commemorate the 10th anniversary her death. PA
Mr Khan and Ms Adoo-Kissi-Debrah talk to staff at London's Great Ormond Street Hospital's Play Street to mark Clean Air Day. PA
A newspaper in London picturing Mr Khan on its front page after a ruling in favour of extending the Ultra-Low Emission Zone (Ulez). AFP
A Ulez sign at the entrance to the zone in London. Getty Images
Mr Khan says the decision to expand Ulez was 'very difficult and not something I took lightly'. Getty Images
