Live updates and the latest news as President Donald Trump and first lady Melania Trump tour the Texas flood devastation and the U.S. prepares to impose blanket tariffs on trading partners.

As questions swirl surrounding the timeline of who was notified about the flooding when, and if more could have been done, Department of Homeland Security Secretary Kristi Noem said an alert from the National Weather Service was sent to people in the flood zone -- but she said that doesn’t mean that people heard it.