The U.S. has again ceased livestock imports from Mexico related to the presence of the parasitic New World screwworm fly closer to the border.

The U.S. has shut its southern border to livestock imports again after a flesh-eating parasite was found further north in Mexico than previously reported, raising alarm among American agriculture officials.

Another pause in US imports of Mexican cattle over screwworm, job losses and tomato tariffs were topics of Sheinbaum's Thursday presser.