The leaders of Britain and the United States announced a deal last month, but it had not been clear when their agreement would go into effect. Britain hailed the announcement as “a huge win.”

President Trump and British Prime Minister Keir Starmer signed a trade deal that they had agreed to last month at the G7 summit in Canada. Trump said the US's relationship with Britain was "just fantastic,

But questions remain over measures for the struggling steel industry, which was left out of the deal despite pledges to reduce US tariffs to 0%. Currently, steel exported to the US from the UK faces a 25% import tax,