Donald Trump blasted the Supreme Court’s ruling (Image: Getty) Donald Trump’s tariff war was ruled illegal by the US Supreme Court, sparking the biggest domestic crisis yet for the President. In a landmark ruling, the top justices concluded that President Trump had illegally used executive powers to impose the sweeping global tariffs, intended to be used only in an emergency. The highest court in the land divided 6-3 against the President, despite a majority of the judges being appointed by Republican presidents. The news was condemned by President Trump as a “disgrace”, whose key economic policy now lies in tatters. In London, the news was greeted with tentative positivity, despite uncertainty about whether the tariffs may be reintroduced by the President using alternative powers. Read more: UK trade deal with US at risk after Supreme Court ruling on Trump’s tariffs The UK government said it would work out how the ruling affects British businesses (Image: Getty) A spokesman for Sir Keir Starmer’s Government said it would “continue to support UK businesses as further details are …