'Tear down the Blue Wall,' Ed Davey urges London and commuter belt voters

Summary

Sir Ed Davey aims to exceed expectations for the Liberal Democrats in south-west London
The party is targeting seats in London and the Home Counties to challenge the Conservatives
Local campaigning focuses on issues like pollution in rivers and healthcare
The Lib Dem manifesto is ambitious but costed, with a focus on health and care

‘Tear down the Blue Wall,’ Ed Davey urges London and commuter belt voters