Overturned cars lean against homes after &amp;lt;a href=&amp;quot;http://www.cnn.com/2015/05/25/world/gallery/tornado-mexico/index.html&amp;quot; target=&amp;quot;_blank&amp;quot;&amp;gt;a tornado hit Ciudad Acuna, Mexico,&amp;lt;/a&amp;gt; on Monday, May 25. At least 13 people were killed, authorities said.