The countries targeted by US President Donald Trump’s threat of tariffs over their opposition to his designs on Greenland will “stand united” in their response, they said in a joint statement Sunday.“Tariff threats undermine transatlantic relations and risk a dangerous downward spiral,” Britain, Denmark, Finland, France, Germany, the Netherlands, Norway and Sweden said.For all the latest headlines, follow our Google News channel online or via the app.“We will continue to stand united and coordinated in our response. We are committed to upholding our sovereignty,” they said.Read more:Trump also ‘has a lot to lose’ from threatened tariffs: French ministerEurope scrambles to respond to Trump tariff threatGerman industry lashes out at Trump’s ‘ludicrous’ demands