Preparations urged as much of U.S. braces for arctic blast, freezing temperatures and a potent snowstorm

South Korea’s won on Tuesday fell sharply against the U.S. dollar shortly after President Yoon Suk Yeol declared martial law.

Trump’s executive orders included overhauls to U.S. trade policy and declaring a national emergency at the southern border.

Airlines have ramped up capacity between the U.S. and Europe in the wake of the Covid-19 pandemic.