Mexican President Claudia Sheinbaum on Saturday ordered retaliatory tariffs in response to the U.S. decision to slap 25% tariffs on all goods coming from Mexico, as a trade war broke out between the two neighbors.

Mr. Trump is trying use tariffs to force Mexico to better guard its border with the United States, but Mexican officials say the tariffs will only hurt both countries.

President Donald Trump signed an order to put tariffs on U.S. neighbors Canada and Mexico, as well as China, starting Tuesday. Canada and Mexico quickly announced retaliatory tariffs, while China said it would take “necessary countermeasures.