The two men will "brief the president immediately after their visit to approve a final plan for food and aid distribution into the region, and we will provide more details for all of you once that plan is approved and agreed on by the president of the United States," Leavitt said.

The United States will enter a 90-day negotiating period with Mexico over trade as 25% tariff rates stay in place, part of the rush of trade activity Thursday before President Donald Trump plans to impose a broad set of global import taxes.

President Donald Trump announced Thursday that he won't raise tariffs on Mexican goods Friday for 90 days, in hopes that a new trade deal can be arranged.