Asian shares slump as shockwaves from Trump tariffs rock global markets | BBC News

Stock markets have plunged in Asia, as President Donald Trump's tariffs continue to send shockwaves around the world.

Earlier, US stock market futures were sharply down, indicating that Wall Street shares will fall when they open.

Donald Trump, speaking to reporters on Air Force One, has defended his tariff policy, saying "sometimes you have to take medicine to fix something".