Mastercard and Visa suffered a blow after a UK appeals court ruled on claims brought by a host of retailers and said the payment-card operators\u2019 interchange fees are unlawful. Key questions on the fees, which have been subject to litigation across the world for over a decade, now go to a specialist court. And a consumer class-action over the charges is also capturing headlines. Ana Rita Rego, London Managing Editor and Senior UK Correspondent, Simon Zekaria, discuss the implications of the latest court ruling.