She also called the U.S. announcement to raise the metals' tariffs to 50% from the 25% introduce in March an "unfair measure" during her morning conference, citing the free trade agreement Mexico and Canada share with the United Sates. Sheinbaum however said that Mexico's response would not be "an eye for an eye."

The United States and Mexico are negotiating a deal to reduce or eliminate President Donald Trump's 50% steel tariffs on imports up to a certain volume, industry and trade sources said on Tuesday.