In Mexico, at least 18 people were killed in a fiery crash between a tanker truck carrying fuel and a passenger bus. Mexico's National Guard said that the collision occurred in the early hours of Saturday on a highway that leads to the northern city of Monterrey.<br />''<br />''Local media reported that the collision left both vehicles completely burned.<br />''<br />''The truck was towing two fuel tanks in tandem, and such double-container freight trucks have been involved in numerous deadly crashes in the past. <br />