The Cuban government reaffirmed on May 2 its refusal to negotiate political or economic reforms with the United States, and Cuban President Miguel Diaz-Canel said U.S. President Donald Trump had elevated threats to "dangerous and unprecedented" levels, Deutsche Welle reported on May 3. On May 1, Trump signed an executive order blocking the U.S.-based assets of entities operating in Cuba's energy, mining, defense, security or technological sectors.