US President Donald Trump said Saturday that "hopefully" South Korea and other countries, affected by Iran's attempt to close the Strait of Hormuz, will send ships to keep the crucial oil shipping route "open and safe," amid growing concerns over disruptions to shipping along the waterway. Trump made the remarks in a social media post as his administration has been ramping up pressure on the Islamic Republic to stop the move to block the strait, which is responsible for about a fifth of the worl