U.S. President Donald Trump's administration has ordered its missions abroad to stop scheduling new appointments for student and exchange visitor visa applicants, as the State Department prepares to expand social media vetting of foreign students. Germany's foreign minister has threatened unspecified measures against Israel over its actions in Gaza. And King Charles has expressed his love for a "strong and free" Canada during a brief symbolic visit after it faced annexation threats from Trump. Recommended read: The unprecedented scale of India’s Maha Kumbh festival Sign up for the Reuters Econ World newsletter here. Listen to the Reuters Econ World podcast here. Visit the Thomson Reuters Privacy Statement for information on our privacy and data protection practices. You may also visit megaphone.fm/adchoices to opt out of targeted advertising. Learn more about your ad choices. Visit megaphone.fm/adchoices