​U.S. President Donald Trump on Friday threatened to impose tariffs on Samsung and other smartphone producers, following an ...

The US Department of Justice on Thursday filed criminal charges against the suspect in the case involving the fatal shooting ...

在以风景如画和秩序井然著称的加拿大，失控的野火引发了举国焦虑。在一个国土庞大而权力分散的国家，消防工作由省级管理，野火令消防资源紧张，并在全球变暖加剧野火季的情况下，使协调工作变得更加困难。