Winter weather hammers US midwest, east coast

<p>Large areas of the US are dealing with winter storms. Snow and ice made driving difficult in Oklahoma and Missouri. Winter weather advisories were issued for cities along the east coast on Feb. 20.&nbsp;</p><p><img src="https://imedia-peoplesdaily.pdnews.cn/up/cms/www/201902/202153099ob3.jpg" title="无标.jpg" alt="无标.jpg"/></p><p><span style="color: rgb(127, 127, 127);">Video source: AP</span></p>