Phillip Lee has defected from the Conservative Party to the Liberal Democrats. The MP for Bracknell crossed the floor of the House of Commons to the opposition benches on Tuesday afternoon whilst the prime minister was giving a statement on August's G7 summit. The move means that Boris Johnson has lost his working majority in the Commons. Report by Jonesia. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn