Ella Adoo-Kissi-Debrah, nine, of south-east London, suffered a fatal asthma attack in February 2013 after being exposed to excessive air pollution.
Katherine Lawton is a Trainee News Reporter for MailOnline, with a focus on multinational news. She has written for various publications including This Is Money, SALTEN, Cigalah Group, Express Digest, 247 News Around The World, and Perth Now. Katherine covers a wide range of topics including current events, business, crime, and human interest stories.