TTIP trade deal: what you need to know

It would be the world's biggest ever trade deal, linking the United States and European Union, two giant economies which are home to 850 million people. Despite its vaunted economic benefits, however, many people on each side of the Atlantic are either deeply suspicious or flat-out opposed to the Transatlantic Trade and Investment Partnership (TTIP). The pact, negotiated largely behind closed doors since 2013 with many of its details still undisclosed, aims to topple regulatory and tariff barrie