China said late on Monday that it opposed “any illicit unilateral sanctions and long-arm jurisdiction” after US President Donald Trump posted on social media that nations doing business with Iran will face a 25 percent tariff on US trade.“China’s position against the indiscriminate imposition of tariffs is consistent and clear. Tariff wars and trade wars have no winners, and coercion and pressure cannot solve problems,” a spokesperson of the Chinese embassy in Washington said on X.For all the latest headlines, follow our Google News channel online or via the app.“China firmly opposes any illicit unilateral sanctions and long-arm jurisdiction, and will take all necessary measures to safeguard its legitimate rights and interests.” Read more:Non-essential French embassy staff have left Iran: SourcesAt least 648 protestors killed in Iran crackdown: Rights group